1 /****************************************************************************** 2 * * 3 * Copyright (C) 2023 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ***************************************************************************** 18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 19 */ 20 21 #pragma once 22 23 #define IXHEAACE_ESBR_TES_ENERGY_MAX_THR (1.0e6f) 24 #define IXHEAACE_TIMESLOT_BUFFER_SIZE (78) 25 #define IXHEAACE_MAX_ENVELOPES (8) 26 #define IXHEAACE_MAX_NOISE_ENVELOPES (2) 27 #define IXHEAACE_MAX_NOISE_COEFFS (5) 28 #define IXHEAACE_MAX_NUM_NOISE_VALUES (IXHEAACE_MAX_NOISE_ENVELOPES * IXHEAACE_MAX_NOISE_COEFFS) 29 #define IXHEAACE_MAX_FREQ_COEFFS (56) 30 #define IXHEAACE_MAX_NUM_PATCHES (6) 31 #define IXHEAACE_MAX_NUM_LIMITERS (12) 32 #define IXHEAACE_MAXDEG (3) 33 #define IXHEAACE_SBR_HF_RELAXATION_PARAM (0.999999f) 34 #define IXHEAACE_ESBR_NUM_GAMMA_IDXS (4) 35 #define IXHEAACE_ESBR_HBE_DELAY_OFFSET (32) 36 #define IXHEAACE_SBR_HF_ADJ_OFFSET (2) 37 #define IXHEAACE_SBR_TES_SHAPE_BITS (1) 38 #define IXHEAACE_SBR_TES_SHAPE_MODE_BITS (2) 39 40 typedef struct { 41 FLOAT32 phi_0_1_real; 42 FLOAT32 phi_0_1_imag; 43 FLOAT32 phi_0_2_real; 44 FLOAT32 phi_0_2_imag; 45 FLOAT32 phi_1_1; 46 FLOAT32 phi_1_2_real; 47 FLOAT32 phi_1_2_imag; 48 FLOAT32 phi_2_2; 49 FLOAT32 det; 50 } ixheaace_str_auto_corr_ele; 51 52 typedef struct { 53 WORD16 num_sf_bands[2]; 54 WORD16 num_nf_bands; 55 WORD16 num_mf_bands; 56 WORD16 sub_band_start; 57 WORD16 sub_band_end; 58 WORD16 freq_band_tbl_lim[IXHEAACE_MAX_NUM_LIMITERS + 1]; 59 WORD16 num_lf_bands; 60 WORD16 num_if_bands; 61 WORD16 *ptr_freq_band_tab[2]; 62 WORD16 freq_band_tbl_lo[IXHEAACE_MAX_FREQ_COEFFS / 2 + 1]; 63 WORD16 freq_band_tbl_hi[IXHEAACE_MAX_FREQ_COEFFS + 1]; 64 WORD16 freq_band_tbl_noise[IXHEAACE_MAX_NOISE_COEFFS + 1]; 65 WORD16 f_master_tbl[IXHEAACE_MAX_FREQ_COEFFS + 1]; 66 WORD16 qmf_sb_prev; 67 } ia_str_freq_band_data; 68 69 typedef struct { 70 WORD16 frame_class; 71 WORD16 num_env; 72 WORD16 transient_env; 73 WORD16 num_noise_env; 74 WORD16 border_vec[IXHEAACE_MAX_ENVELOPES + 1]; 75 WORD16 freq_res[IXHEAACE_MAX_ENVELOPES]; 76 WORD16 noise_border_vec[IXHEAACE_MAX_NOISE_ENVELOPES + 1]; 77 } ia_str_frame_info; 78 79 typedef struct { 80 WORD32 num_if_bands; 81 WORD32 sub_band_start; 82 WORD32 sub_band_end; 83 WORD32 num_mf_bands; 84 WORD32 sbr_patching_mode; 85 WORD32 pre_proc_flag; 86 WORD32 is_usf_4; 87 WORD32 hbe_flag; 88 WORD32 out_fs; 89 WORD32 num_env; 90 WORD32 op_delay; 91 WORD32 codec_delay; 92 WORD32 sbr_ratio_index; 93 WORD16 invf_band_tbl[MAXIMUM_NUM_NOISE_VALUES + 1]; 94 WORD16 f_master_tbl[MAXIMUM_FREQ_COEFFS + 1]; 95 WORD32 inv_filt_mode[MAXIMUM_NUM_NOISE_VALUES]; 96 WORD32 inv_filt_mode_prev[IXHEAACE_MAX_NUM_NOISE_VALUES]; 97 FLOAT32 bw_array_prev[IXHEAACE_MAX_NUM_PATCHES]; 98 WORD16 border_vec[IXHEAACE_MAX_ENV + 1]; 99 WORD32 bs_tes_shape[IXHEAACE_MAX_ENV + 1]; 100 WORD32 bs_tes_shape_mode[IXHEAACE_MAX_ENV + 1]; 101 FLOAT32 qmf_buf_real[IXHEAACE_TIMESLOT_BUFFER_SIZE + 2 * IXHEAACE_ESBR_HBE_DELAY_OFFSET] 102 [IXHEAACE_QMF_CHANNELS]; 103 FLOAT32 qmf_buf_imag[IXHEAACE_TIMESLOT_BUFFER_SIZE + 2 * IXHEAACE_ESBR_HBE_DELAY_OFFSET] 104 [IXHEAACE_QMF_CHANNELS]; 105 } ixheaace_str_inter_tes_params; 106 107 typedef struct { 108 FLOAT32 dst_qmf_r[IXHEAACE_TIMESLOT_BUFFER_SIZE][IXHEAACE_QMF_CHANNELS]; 109 FLOAT32 dst_qmf_i[IXHEAACE_TIMESLOT_BUFFER_SIZE][IXHEAACE_QMF_CHANNELS]; 110 } ixheaace_str_inter_tes_scr; 111 112 VOID ixheaace_init_esbr_inter_tes(ixheaace_str_inter_tes_params *pstr_tes_enc, 113 WORD32 sbr_ratio_index); 114 IA_ERRORCODE ixheaace_process_inter_tes(ixheaace_str_inter_tes_params *pstr_tes_enc, 115 WORD8 *ptr_scr); 116