/****************************************************************************** * * * 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); 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); static 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_equalize_filt_buff_exp(WORD16 *ptr_filt_buf, WORD16 *nrg_gain, WORD32 subbands); #endif