/****************************************************************************** * * * 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 #define DELTA_TIME 9 #define MAXIMUM_COMP 2 #define TONALITY_QUOTA 0.1f #define DIFF_QUOTA 0.75f #define THR_DIFF 25.0f #define THR_DIFF_GUIDE 1.26f #define THR_TONE 15.0f #define I_THR_TONE (1.0f / 15.0f) #define THR_TONE_GUIDE 1.26f #define THR_SFM_SBR 0.3f #define THR_SFM_ORIG 0.1f #define DECAY_GUIDE_ORIG 0.3f #define DECAY_GUIDE_DIFF 0.5f typedef struct { FLOAT32 *ptr_guide_vec_diff; FLOAT32 *ptr_guide_vec_orig; UWORD8 *ptr_guide_vector_detected; } ixheaace_str_guide_vectors; typedef struct { WORD32 qmf_num_ch; WORD32 num_scf; WORD32 sample_freq; WORD32 prev_trans_flag; WORD32 prev_trans_frame; WORD32 prev_trans_pos; WORD32 no_vec_per_frame; WORD32 trans_pos_offset; WORD32 move; WORD32 tot_no_est; WORD32 no_est_per_frame; WORD32 time_slots; UWORD8 *ptr_guide_scfb; UWORD8 sbr_guide_scfb[MAXIMUM_FREQ_COEFFS]; WORD8 *ptr_prev_env_compensation; WORD8 sbr_prev_env_compensation[MAXIMUM_FREQ_COEFFS]; UWORD8 *ptr_detection_vectors[NO_OF_ESTIMATES]; UWORD8 sbr_detection_vectors[NO_OF_ESTIMATES * MAXIMUM_FREQ_COEFFS]; FLOAT32 *ptr_sfm_orig[NO_OF_ESTIMATES]; FLOAT32 *ptr_sfm_sbr[NO_OF_ESTIMATES]; FLOAT32 *ptr_tonal_diff[NO_OF_ESTIMATES]; ixheaace_str_guide_vectors guide_vectors[NO_OF_ESTIMATES]; UWORD8 sbr_guide_vector_detected[NO_OF_ESTIMATES * MAXIMUM_FREQ_COEFFS]; } ixheaace_str_sbr_missing_har_detector; typedef ixheaace_str_sbr_missing_har_detector *ixheaace_pstr_sbr_missing_harmonics_detector; VOID ixheaace_sbr_missing_harmonics_detector_qmf( ixheaace_pstr_sbr_missing_harmonics_detector pstr_sbr_mhd_et, FLOAT32 **ptr_quota_buf, WORD8 *ptr_idx_vx, const ixheaace_str_frame_info_sbr *ptr_frame_info, const WORD32 *ptr_tran_info, WORD32 *ptr_add_harmonics_flag, UWORD8 *ptr_add_harmonics_sfbs, const UWORD8 *ptr_freq_band_tab, WORD32 num_sfb, WORD8 *ptr_env_compensation); VOID ixheaace_create_sbr_missing_harmonics_detector( WORD32 ch, ixheaace_pstr_sbr_missing_harmonics_detector pstr_sbr_mhdet, WORD32 sample_freq, WORD32 num_sfb, WORD32 qmf_num_ch, WORD32 tot_no_est, WORD32 move, WORD32 no_est_per_frame, WORD32 *ptr_common_buffer);