1 /****************************************************************************** 2 * * 3 * Copyright (C) 2018 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 #include <string.h> 21 #include "ixheaacd_sbr_common.h" 22 #include <ixheaacd_type_def.h> 23 24 #include "ixheaacd_constants.h" 25 #include <ixheaacd_basic_ops32.h> 26 #include <ixheaacd_basic_ops16.h> 27 #include <ixheaacd_basic_ops40.h> 28 #include "ixheaacd_basic_ops_arr.h" 29 #include "ixheaacd_basic_ops.h" 30 31 #include "ixheaacd_defines.h" 32 #include <ixheaacd_basic_op.h> 33 #include "ixheaacd_intrinsics.h" 34 #include "ixheaacd_common_rom.h" 35 #include "ixheaacd_basic_funcs.h" 36 #include "ixheaacd_bitbuffer.h" 37 #include "ixheaacd_sbrdecsettings.h" 38 #include "ixheaacd_defines.h" 39 #include "ixheaacd_pns.h" 40 #include <ixheaacd_aac_rom.h> 41 #include "ixheaacd_pulsedata.h" 42 43 #include "ixheaacd_drc_data_struct.h" 44 #include "ixheaacd_lt_predict.h" 45 #include "ixheaacd_channelinfo.h" 46 #include "ixheaacd_drc_dec.h" 47 #include "ixheaacd_sbrdecoder.h" 48 #include "ixheaacd_sbr_scale.h" 49 #include "ixheaacd_lpp_tran.h" 50 #include "ixheaacd_env_extr_part.h" 51 #include <ixheaacd_sbr_rom.h> 52 #include "ixheaacd_hybrid.h" 53 #include "ixheaacd_ps_dec.h" 54 #include "ixheaacd_env_extr.h" 55 56 #include <ixheaacd_aac_rom.h> 57 #include "ixheaacd_ps_dec.h" 58 59 #include "ixheaacd_qmf_dec.h" 60 #include "ixheaacd_env_calc.h" 61 #include "ixheaacd_sbr_const.h" 62 #include "ixheaacd_pvc_dec.h" 63 #include "ixheaacd_sbr_dec.h" 64 #include "ixheaacd_function_selector.h" 65 66 VOID ixheaacd_apply_ps(ia_ps_dec_struct *ptr_ps_dec, WORD32 **p_buf_left_real, 67 WORD32 **p_buf_left_imag, WORD32 *p_buf_right_real, 68 WORD32 *p_buf_right_imag, 69 ia_sbr_scale_fact_struct *sbr_scale_factor, WORD16 slot, 70 ia_sbr_tables_struct *sbr_tables_ptr) { 71 WORD16 shiftdelay = 72 (WORD16)((slot < (32 - MAX_OV_COLS)) ? 0 : (sbr_scale_factor->lb_scale - 73 sbr_scale_factor->ps_scale)); 74 75 ixheaacd_hybrid_analysis(p_buf_left_real[HYBRID_FILTER_DELAY], 76 ptr_ps_dec->ptr_hyb_left_re, 77 ptr_ps_dec->ptr_hyb_left_im, &ptr_ps_dec->str_hybrid, 78 shiftdelay, sbr_tables_ptr); 79 80 (*ixheaacd_decorrelation)(ptr_ps_dec, p_buf_left_real[0], p_buf_left_imag[0], 81 p_buf_right_real, p_buf_right_imag, 82 sbr_tables_ptr->ps_tables_ptr); 83 84 (*ixheaacd_apply_rot)(ptr_ps_dec, p_buf_left_real[0], p_buf_left_imag[0], 85 p_buf_right_real, p_buf_right_imag, sbr_tables_ptr, 86 ptr_ps_dec->str_hybrid.ptr_resol); 87 } 88 89 VOID ixheaacd_scale_ps_states(ia_ps_dec_struct *ptr_ps_dec, WORD16 scale) { 90 WORD i, m; 91 WORD32 delay; 92 93 if (scale > 0) { 94 WORD16 scale1 = scale; 95 if (scale > 15) scale1 = 15; 96 97 for (m = 0; m < 2; m++) 98 ixheaacd_scale_short_vec_left( 99 (WORD16 *)&ptr_ps_dec->delay_buf_qmf_ap_re_im[m][3 * 2], 100 2 * NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS, scale1); 101 102 delay = 2 * HIGH_DEL * SMALL_DEL_STRT + 103 2 * SMALL_DEL * 104 (NUM_OF_QUAD_MIRROR_FILTER_ICC_CHNLS - 105 (NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS + SMALL_DEL_STRT)); 106 ixheaacd_scale_short_vec_left((WORD16 *)ptr_ps_dec->delay_buf_qmf_ld_re_im, 107 delay, scale1); 108 109 delay = 2 * 16 * DEL_ALL_PASS + 2 * NUM_SER_AP_LINKS * 5 * 16; 110 ixheaacd_scale_short_vec_left((WORD16 *)ptr_ps_dec->delay_buf_qmf_sub_re_im, 111 delay, scale1); 112 113 for (i = 0; i < NUM_SER_AP_LINKS; i++) { 114 for (m = 0; m < ptr_ps_dec->delay_sample_ser[i]; m++) { 115 ixheaacd_scale_short_vec_left( 116 (WORD16 *)&ptr_ps_dec->delay_buf_qmf_ser_re_im[m][i][2 * 3], 117 2 * NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS, scale1); 118 } 119 } 120 121 ixheaacd_scale_int_vec_left( 122 ptr_ps_dec->str_hybrid.ptr_qmf_buf_re[0], 123 2 * NO_QMF_CHANNELS_IN_HYBRID * ptr_ps_dec->str_hybrid.ptr_qmf_buf, 124 scale); 125 126 scale = (scale + scale); 127 128 ixheaacd_scale_int_vec_left(ptr_ps_dec->peak_decay_diff, 3 * NUM_OF_BINS, 129 scale); 130 131 } else { 132 if (scale != 0) { 133 scale = -scale; 134 for (m = 0; m < 2; m++) 135 ixheaacd_scale_short_vec_right( 136 (WORD16 *)&ptr_ps_dec->delay_buf_qmf_ap_re_im[m][3 * 2], 137 2 * NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS, scale); 138 139 delay = 2 * HIGH_DEL * SMALL_DEL_STRT + 140 2 * SMALL_DEL * 141 (NUM_OF_QUAD_MIRROR_FILTER_ICC_CHNLS - 142 (NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS + SMALL_DEL_STRT)); 143 ixheaacd_scale_short_vec_right( 144 (WORD16 *)ptr_ps_dec->delay_buf_qmf_ld_re_im, delay, scale); 145 146 delay = 2 * 16 * DEL_ALL_PASS + 2 * NUM_SER_AP_LINKS * 5 * 16; 147 ixheaacd_scale_short_vec_right( 148 (WORD16 *)ptr_ps_dec->delay_buf_qmf_sub_re_im, delay, scale); 149 150 for (i = 0; i < NUM_SER_AP_LINKS; i++) { 151 for (m = 0; m < ptr_ps_dec->delay_sample_ser[i]; m++) { 152 ixheaacd_scale_short_vec_right( 153 (WORD16 *)&ptr_ps_dec->delay_buf_qmf_ser_re_im[m][i][3 * 2], 154 2 * NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS, scale); 155 } 156 } 157 158 ixheaacd_scale_int_vec_right( 159 ptr_ps_dec->str_hybrid.ptr_qmf_buf_re[0], 160 2 * NO_QMF_CHANNELS_IN_HYBRID * ptr_ps_dec->str_hybrid.ptr_qmf_buf, 161 scale); 162 163 scale = (scale + scale); 164 165 ixheaacd_scale_int_vec_right(ptr_ps_dec->peak_decay_diff, 3 * NUM_OF_BINS, 166 scale); 167 } 168 } 169 } 170
