95 lines
2.7 KiB
C
95 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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#ifndef IXHEAACD_MPS_AAC_STRUCT_H
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#define IXHEAACD_MPS_AAC_STRUCT_H
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#include "ixheaacd_defines.h"
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#define PNS_BAND_FLAGS_SIZE 16
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#define MAX_WINDOWS 8
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#define MAX_SFB_SHORT 16
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#define MAXIMUM_LINES 4
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typedef struct {
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WORD16 a_scale_factor[MAX_WINDOWS * MAX_SFB_SHORT];
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WORD8 a_code_book[MAX_WINDOWS * MAX_SFB_SHORT];
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} ia_mps_dec_residual_dynamic_data_struct;
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typedef struct {
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WORD16 window_sequence;
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WORD16 max_sf_bands;
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WORD16 total_sf_bands;
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WORD16 sampling_rate_index;
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WORD16 window_groups;
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WORD8 window_group_length[8];
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WORD16 frame_length;
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} ia_mps_dec_residual_ics_info_struct;
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typedef struct {
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WORD16 start_band;
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WORD16 stop_band;
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WORD8 direction;
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WORD8 resolution;
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WORD8 order;
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WORD8 coeff[MAX_ORDER];
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} ia_mps_dec_residual_filter_struct;
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typedef struct {
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FLAG tns_data_present;
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WORD8 number_of_filters[MAX_WINDOWS];
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ia_mps_dec_residual_filter_struct filter[MAX_WINDOWS][MAX_FILTERS];
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} ia_mps_dec_residual_tns_data;
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typedef struct {
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FLAG pulse_data_present;
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WORD16 number_pulse;
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WORD16 pulse_start_band;
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WORD8 pulse_offset[MAXIMUM_LINES];
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WORD8 pulse_amp[MAXIMUM_LINES];
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} ia_mps_dec_residual_pulse_data_struct;
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typedef struct {
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UWORD8 pns_used[PNS_BAND_FLAGS_SIZE * 8];
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WORD16 current_energy;
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UWORD16 pns_active;
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} ia_mps_dec_residual_pns_data_struct;
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typedef struct {
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WORD16 *p_scale_factor;
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WORD8 *p_code_book;
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WORD32 *p_spectral_coefficient;
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ia_mps_dec_residual_ics_info_struct ics_info;
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ia_mps_dec_residual_tns_data tns_data;
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ia_mps_dec_residual_pulse_data_struct pulse_data;
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ia_mps_dec_residual_pns_data_struct pns_data;
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WORD16 common_window;
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WORD16 global_gain;
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WORD32 *p_tns_scratch;
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} ia_mps_dec_residual_channel_info_struct;
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typedef struct {
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WORD16 sfb_long_idx[52];
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WORD16 sfb_short_idx[16];
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} ia_mps_dec_residual_sfband_info_struct;
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#endif /* IXHEAACD_MPS_AAC_STRUCT_H */
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