088122e748
* Combined Workspace for Encoder and Decoder * Addressed review comments and some minor edits --------- Co-authored-by: Divya B M <100655@ittiam.com>
86 lines
3 KiB
C
86 lines
3 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2023 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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#pragma once
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#define DELTA_TIME 9
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#define MAXIMUM_COMP 2
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#define TONALITY_QUOTA 0.1f
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#define DIFF_QUOTA 0.75f
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#define THR_DIFF 25.0f
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#define THR_DIFF_GUIDE 1.26f
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#define THR_TONE 15.0f
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#define I_THR_TONE (1.0f / 15.0f)
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#define THR_TONE_GUIDE 1.26f
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#define THR_SFM_SBR 0.3f
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#define THR_SFM_ORIG 0.1f
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#define DECAY_GUIDE_ORIG 0.3f
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#define DECAY_GUIDE_DIFF 0.5f
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typedef struct {
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FLOAT32 *ptr_guide_vec_diff;
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FLOAT32 *ptr_guide_vec_orig;
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UWORD8 *ptr_guide_vector_detected;
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} ixheaace_str_guide_vectors;
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typedef struct {
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WORD32 qmf_num_ch;
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WORD32 num_scf;
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WORD32 sample_freq;
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WORD32 prev_trans_flag;
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WORD32 prev_trans_frame;
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WORD32 prev_trans_pos;
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WORD32 no_vec_per_frame;
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WORD32 trans_pos_offset;
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WORD32 move;
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WORD32 tot_no_est;
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WORD32 no_est_per_frame;
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WORD32 time_slots;
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UWORD8 *ptr_guide_scfb;
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UWORD8 sbr_guide_scfb[MAXIMUM_FREQ_COEFFS];
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WORD8 *ptr_prev_env_compensation;
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WORD8 sbr_prev_env_compensation[MAXIMUM_FREQ_COEFFS];
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UWORD8 *ptr_detection_vectors[NO_OF_ESTIMATES];
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UWORD8 sbr_detection_vectors[NO_OF_ESTIMATES * MAXIMUM_FREQ_COEFFS];
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FLOAT32 *ptr_sfm_orig[NO_OF_ESTIMATES];
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FLOAT32 *ptr_sfm_sbr[NO_OF_ESTIMATES];
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FLOAT32 *ptr_tonal_diff[NO_OF_ESTIMATES];
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ixheaace_str_guide_vectors guide_vectors[NO_OF_ESTIMATES];
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UWORD8 sbr_guide_vector_detected[NO_OF_ESTIMATES * MAXIMUM_FREQ_COEFFS];
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} ixheaace_str_sbr_missing_har_detector;
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typedef ixheaace_str_sbr_missing_har_detector *ixheaace_pstr_sbr_missing_harmonics_detector;
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VOID ixheaace_sbr_missing_harmonics_detector_qmf(
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ixheaace_pstr_sbr_missing_harmonics_detector pstr_sbr_mhd_et, FLOAT32 **ptr_quota_buf,
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WORD8 *ptr_idx_vx, const ixheaace_str_frame_info_sbr *ptr_frame_info,
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const WORD32 *ptr_tran_info, WORD32 *ptr_add_harmonics_flag, UWORD8 *ptr_add_harmonics_sfbs,
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const UWORD8 *ptr_freq_band_tab, WORD32 num_sfb, WORD8 *ptr_env_compensation);
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VOID ixheaace_create_sbr_missing_harmonics_detector(
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WORD32 ch, ixheaace_pstr_sbr_missing_harmonics_detector pstr_sbr_mhdet, WORD32 sample_freq,
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WORD32 num_sfb, WORD32 qmf_num_ch, WORD32 tot_no_est, WORD32 move, WORD32 no_est_per_frame,
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WORD32 *ptr_common_buffer);
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