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