libxaac/encoder/ixheaace_sbr.h
2023-07-14 13:04:15 +05:30

151 lines
5.2 KiB
C

/******************************************************************************
* *
* 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
struct ixheaace_str_sbr_bitstream_data {
WORD32 total_bits;
WORD32 payload_bits;
WORD32 fill_bits;
WORD32 header_active;
WORD32 crc_active;
WORD32 nr_send_header_data;
WORD32 count_send_header_data;
WORD32 usac_indep_flag;
};
struct ixheaace_str_sbr_config_data {
WORD32 num_ch;
WORD32 num_scf[2];
WORD32 num_master;
WORD32 sample_freq;
WORD32 is_ld_sbr;
WORD32 is_esbr;
WORD32 xover_freq;
UWORD8 sbr_freq_band_tab_lo[MAXIMUM_FREQ_COEFFS / 2 + 1];
UWORD8 sbr_freq_band_tab_hi[MAXIMUM_FREQ_COEFFS + 1];
UWORD8 *ptr_freq_band_tab[2];
UWORD8 *ptr_v_k_master;
UWORD8 sbr_v_k_master[MAXIMUM_FREQ_COEFFS + 1];
ixheaace_sbr_stereo_mode stereo_mode;
WORD32 detect_missing_harmonics;
WORD32 use_parametric_coding;
WORD32 xpos_control_switch;
WORD32 sbr_ratio_idx;
ixheaace_sbr_codec_type sbr_codec;
};
struct ixheaace_str_sbr_env_data {
WORD32 sbr_xpos_ctrl;
ixheaace_freq_res freq_res_fix;
ixheaace_invf_mode sbr_invf_mode;
ixheaace_invf_mode sbr_invf_mode_vec[MAXIMUM_NUM_NOISE_VALUES];
ixheaace_pvc_bs_info pvc_info;
ixheaace_sbr_xpos_mode sbr_xpos_mode;
WORD32 ienvelope[IXHEAACE_MAX_ENV][MAXIMUM_FREQ_COEFFS];
WORD32 code_book_scf_lav_balance;
WORD32 code_book_scf_lav;
const WORD32 *ptr_huff_tab_time_c;
const WORD32 *ptr_huff_tab_freq_c;
const UWORD8 *ptr_huff_tab_time_l;
const UWORD8 *ptr_huff_tab_freq_l;
const WORD32 *ptr_huff_tab_lvl_time_c;
const WORD32 *ptr_huff_tab_bal_time_c;
const WORD32 *ptr_huff_tab_lvl_freq_c;
const WORD32 *ptr_huff_tab_bal_freq_c;
const UWORD8 *ptr_huff_tab_lvl_time_l;
const UWORD8 *ptr_huff_tab_bal_time_l;
const UWORD8 *ptr_huff_tab_lvl_freq_l;
const UWORD8 *ptr_huff_tab_bal_freq_l;
const UWORD8 *ptr_huff_tab_noise_time_l;
const WORD32 *ptr_huff_tab_noise_time_c;
const UWORD8 *ptr_huff_tab_noise_freq_l;
const WORD32 *ptr_huff_tab_noise_freq_c;
const UWORD8 *ptr_huff_tab_noise_lvl_time_l;
const WORD32 *ptr_huff_tab_noise_lvl_time_c;
const UWORD8 *ptr_huff_tab_noise_bal_time_l;
const WORD32 *ptr_huff_tab_noise_bal_time_c;
const UWORD8 *ptr_huff_tab_noise_lvl_freq_l;
const WORD32 *ptr_huff_tab_noise_lvl_freq_c;
const UWORD8 *ptr_huff_tab_noise_bal_freq_l;
const WORD32 *ptr_huff_tab_noise_bal_freq_c;
ixheaace_pstr_sbr_grid pstr_sbr_bs_grid;
WORD32 synthetic_coding;
WORD32 no_harmonics;
WORD32 add_harmonic_flag;
UWORD8 add_harmonic[MAXIMUM_FREQ_COEFFS];
WORD32 si_sbr_start_env_bits_balance;
WORD32 si_sbr_start_env_bits;
WORD32 si_sbr_start_noise_bits_balance;
WORD32 si_sbr_start_noise_bits;
WORD32 no_of_envelopes;
WORD32 no_scf_bands[IXHEAACE_MAX_ENV];
WORD32 domain_vec[IXHEAACE_MAX_ENV];
WORD32 domain_vec_noise[IXHEAACE_MAX_ENV];
WORD32 noise_level[MAXIMUM_FREQ_COEFFS_HEAAC];
WORD32 noise_band_count;
WORD32 balance;
WORD32 init_sbr_amp_res;
WORD32 sbr_patching_mode;
WORD32 sbr_oversampling_flag;
WORD32 sbr_pitchin_bins_flag;
WORD32 sbr_coupling;
WORD32 sbr_preprocessing;
WORD32 sbr_pitchin_bins;
WORD32 harmonic_sbr;
WORD32 usac_indep_flag;
WORD32 usac_harmonic_sbr;
WORD32 sbr_pvc_mode;
WORD32 sbr_sinusoidal_pos_flag;
WORD32 sbr_sinusoidal_pos;
WORD32 sbr_inter_tes;
WORD32 *ptr_sbr_inter_tes_shape;
WORD32 *ptr_sbr_inter_tes_shape_mode;
WORD32 curr_sbr_amp_res;
};
struct ixheaace_str_enc_channel {
ixheaace_str_sbr_trans_detector str_sbr_trans_detector;
ixheaace_str_sbr_code_envelope str_sbr_code_env;
ixheaace_str_sbr_code_envelope str_sbr_code_noise_floor;
ixheaace_str_sbr_extr_env str_sbr_extract_env;
ixheaace_str_sbr_qmf_filter_bank str_sbr_qmf;
ixheaace_str_sbr_env_frame str_sbr_env_frame;
ixheaace_str_sbr_ton_corr_est str_ton_corr;
ixheaace_str_inter_tes_params str_inter_tes_enc;
ixheaace_str_hbe_enc *pstr_hbe_enc;
WORD32 sbr_amp_res_init;
struct ixheaace_str_sbr_env_data enc_env_data;
};
typedef struct {
WORD32 sbr_num_chan;
WORD32 sbr_coupling;
UWORD8 sbr_preprocessing;
UWORD8 sbr_patching_mode[2];
UWORD8 sbr_oversampling_flag[2];
UWORD8 sbr_pitchin_flags[2];
UWORD8 sbr_pitchin_bins[2];
} ixheaace_str_esbr_bs_data;
typedef struct ixheaace_str_sbr_bitstream_data *ixheaace_pstr_sbr_bitstream_data;
typedef struct ixheaace_str_sbr_config_data *ixheaace_pstr_sbr_config_data;
typedef struct ixheaace_str_enc_channel *ixheaace_pstr_enc_channel;
typedef struct ixheaace_str_sbr_env_data *ixheaace_pstr_sbr_env_data;