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/******************************************************************************
* *
* Copyright (C) 2018 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
*/
#ifndef IXHEAACD_ENV_CALC_H
#define IXHEAACD_ENV_CALC_H
typedef struct {
WORD16 *filt_buf_me;
WORD16 *filt_buf_noise_m;
WORD32 filt_buf_noise_e;
FLAG start_up;
WORD16 ph_index;
WORD16 tansient_env_prev;
WORD8 harm_flags_prev[MAX_FREQ_COEFFS];
WORD16 harm_index;
} ia_sbr_calc_env_struct;
IA_ERRORCODE ixheaacd_calc_sbrenvelope(
ia_sbr_scale_fact_struct *sbr_scale_factor,
ia_sbr_calc_env_struct *ptr_sbr_calc_env,
ia_sbr_header_data_struct *ptr_header_data,
ia_sbr_frame_info_data_struct *ptr_frame_data,
ia_sbr_prev_frame_data_struct *ptr_prev_frame_data,
WORD32 **anal_buf_real_mant, WORD32 **anal_buf_imag_mant,
WORD16 *degree_alias, FLAG low_pow_flag,
ia_sbr_tables_struct *ptr_sbr_tables,
ixheaacd_misc_tables *pstr_common_tables, WORD32 *ptr_qmf_matrix,
WORD32 audio_object_type);
VOID ixheaacd_reset_sbrenvelope_calc(ia_sbr_calc_env_struct *ptr_calc_env);
VOID ixheaacd_derive_lim_band_tbl(
ia_sbr_header_data_struct *ptr_header_data,
const ia_patch_param_struct *p_str_patch_param, WORD16 num_patches,
ixheaacd_misc_tables *pstr_common_tables);
VOID ixheaacd_filt_buf_update(WORD16 *filt_buf_mant,
WORD16 *ptr_filt_buf_noise,
WORD16 *nrg_gain_mant,
WORD16 *noise_level_mant,
WORD32 num_sub_bands);
VOID ixheaacd_noise_level_rescaling(WORD16 *noise_level_mant, WORD32 diff,
WORD32 num_sub_bands,
WORD32 ixheaacd_drc_offset);
VOID ixheaacd_enery_calc_persfb(WORD32 **anal_buf_real, WORD32 **anal_buf_imag,
WORD32 num_sf_bands, WORD16 *freq_band_table,
WORD32 start_pos, WORD32 next_pos,
WORD32 max_qmf_subband_aac, WORD32 frame_exp,
WORD16 *nrg_est_m, FLAG low_pow_flag,
ia_sbr_tables_struct *ptr_sbr_tables);
VOID ixheaacd_avggain_calc(WORD16 *ptr_enrg_orig, WORD16 *nrg_est,
WORD32 sub_band_start, WORD32 sub_band_end,
WORD16 *sum_orig_mant, WORD16 *sum_orig_exp,
WORD16 *ptr_avg_gain_mant, WORD16 *ptr_avg_gain_exp,
ixheaacd_misc_tables *pstr_common_tables,
WORD32 flag);
VOID ixheaacd_adj_timeslot(WORD32 *ptr_buf_real, WORD32 *ptr_buf_imag,
WORD16 *ptr_filt_buf, WORD16 *ptr_filt_buf_noise,
WORD16 *ptr_gain_buf, WORD16 *ptr_noise_floor,
WORD16 *ptr_sine_lvl_buf, WORD16 noise_floor_exp,
WORD16 *ptr_harm_index, WORD16 sub_band_start,
WORD16 num_sub_bands, WORD16 scale_change,
WORD16 smooth_ratio, FLAG num_noise_flg,
WORD16 *ptr_phase_index,
ia_sbr_tables_struct *ptr_sbr_tables);
VOID ixheaacd_map_sineflags(WORD16 *freq_band_table, WORD16 num_sf_bands,
FLAG *add_harmonics, WORD8 *harm_flags_prev,
WORD16 transient_env, WORD8 *sine_mapped_matrix);
VOID ixheaacd_adjust_scale_dec(WORD32 **re, WORD32 **im, WORD sub_band_start,
WORD num_sub_bands, WORD start_pos,
WORD next_pos, WORD shift, FLAG low_pow_flag);
VOID ixheaacd_adjust_scale_armv7(WORD32 **re, WORD32 **im, WORD sub_band_start,
WORD num_sub_bands, WORD start_pos,
WORD next_pos, WORD shift, FLAG low_pow_flag);
WORD16 ixheaacd_expsubbandsamples_dec(WORD32 **anal_buf_real_mant,
WORD32 **anal_buf_imag_mant,
WORD sub_band_start, WORD sub_band_end,
WORD start_pos, WORD end_pos,
FLAG low_pow_flag);
WORD16 ixheaacd_expsubbandsamples_armv7(WORD32 **anal_buf_real_mant,
WORD32 **anal_buf_imag_mant,
WORD sub_band_start, WORD sub_band_end,
WORD start_pos, WORD end_pos,
FLAG low_pow_flag);
VOID ixheaacd_enery_calc_per_subband_dec(WORD32 start_pos, WORD32 next_pos,
WORD32 sub_band_start,
WORD32 sub_band_end, WORD32 frame_exp,
WORD16 *nrg_est_mant,
FLAG low_pow_flag,
ia_sbr_tables_struct *ptr_sbr_tables,
WORD32 *ptr_qmf_matrix);
VOID ixheaacd_enery_calc_per_subband_armv7(
WORD32 start_pos, WORD32 next_pos, WORD32 sub_band_start,
WORD32 sub_band_end, WORD32 frame_exp, WORD16 *nrg_est_mant,
FLAG low_pow_flag, ia_sbr_tables_struct *ptr_sbr_tables,
WORD32 *ptr_qmf_matrix);
WORD32 ixheaacd_reset_hf_generator(ia_sbr_hf_generator_struct *hf_generator,
ia_sbr_header_data_struct *ptr_header_data,
WORD audio_obj_type);
VOID ixheaacd_harm_idx_zerotwolp_dec(WORD32 *ptr_real_buf, WORD16 *ptr_gain_buf,
WORD scale_change,
WORD16 *ptr_sine_level_buf,
const WORD32 *ptr_rand_ph,
WORD16 *noise_lvl_me, WORD num_sub_bands,
FLAG noise_absc_flag, WORD32 harm_index);
VOID ixheaacd_harm_idx_zerotwolp_armv7(WORD32 *ptr_real_buf,
WORD16 *ptr_gain_buf, WORD scale_change,
WORD16 *ptr_sine_level_buf,
const WORD32 *ptr_rand_ph,
WORD16 *noise_lvl_me, WORD num_sub_bands,
FLAG noise_absc_flag, WORD32 harm_index);
VOID ixheaacd_harm_idx_onethreelp(WORD32 *ptr_real_buf, WORD16 *ptr_gain_buf,
WORD scale_change, WORD16 *ptr_sine_level_buf,
const WORD32 *ptr_rand_ph,
WORD16 *noise_lvl_me, WORD num_sub_bands,
FLAG noise_absc_flag, WORD freq_inv_flag,
WORD noise_e, WORD sub_band_start);
VOID ixheaacd_conv_ergtoamplitudelp_dec(WORD32 bands, WORD16 noise_e,
WORD16 *nrg_sine, WORD16 *nrg_gain,
WORD16 *noise_level_mant,
WORD16 *sqrt_table);
VOID ixheaacd_conv_ergtoamplitudelp_armv7(WORD32 bands, WORD16 noise_e,
WORD16 *nrg_sine, WORD16 *nrg_gain,
WORD16 *noise_level_mant,
WORD16 *sqrt_table);
VOID ixheaacd_conv_ergtoamplitude_dec(WORD32 bands, WORD16 noise_e,
WORD16 *nrg_sine, WORD16 *nrg_gain,
WORD16 *noise_level_mant,
WORD16 *sqrt_table);
VOID ixheaacd_conv_ergtoamplitude_armv7(WORD32 bands, WORD16 noise_e,
WORD16 *nrg_sine, WORD16 *nrg_gain,
WORD16 *noise_level_mant,
WORD16 *sqrt_table);
VOID ixheaacd_subbandgain_calc(WORD16 e_orig_mant_matrix, WORD16 tmp_noise_mant,
WORD16 nrg_est_mant, WORD16 nrg_est_exp,
WORD16 tmp_noise_exp, WORD16 nrg_ref_exp,
FLAG sine_present_flag, FLAG sine_mapped_matrix,
FLAG noise_absc_flag, WORD16 *ptr_nrg_gain_mant,
WORD16 *ptr_noise_floor_mant,
WORD16 *ptr_nrg_sine_m,
ixheaacd_misc_tables *pstr_common_tables);
VOID ixheaacd_equalize_filt_buff_exp(WORD16 *ptr_filt_buf,
WORD16 *nrg_gain,
WORD32 subbands);
#endif
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