| /****************************************************************************** |
| * * |
| * 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; |
| |
| VOID 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); |
| |
| WORD32 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); |
| |
| PLATFORM_INLINE VOID ixheaacd_equalize_filt_buff_exp(WORD16 *ptr_filt_buf, |
| WORD16 *nrg_gain_mant, |
| WORD32 subbands); |
| |
| PLATFORM_INLINE 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); |
| PLATFORM_INLINE VOID ixheaacd_filt_buf_update(WORD16 *ptr_filt_buf, |
| WORD16 *ptr_filt_buf_noise, |
| WORD16 *nrg_gain, |
| WORD16 *noise_level_mant, |
| WORD32 num_sub_bands); |
| |
| PLATFORM_INLINE VOID ixheaacd_equalize_filt_buff_exp(WORD16 *ptr_filt_buf, |
| WORD16 *nrg_gain, |
| WORD32 subbands); |
| |
| #endif |
