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 #ifndef IXHEAACD_ENV_EXTR_PART_H 21 #define IXHEAACD_ENV_EXTR_PART_H 22 23 #define SBR_NOT_INITIALIZED 0 24 #define UPSAMPLING 1 25 #define SBR_ACTIVE 2 26 27 #define SBR_MONO 1 28 #define SBR_STEREO 2 29 #define PS_STEREO 3 30 31 #define SBR_RESET 1 32 33 typedef struct { 34 WORD16 num_sf_bands[2]; 35 WORD16 num_nf_bands; 36 WORD16 num_mf_bands; 37 WORD16 sub_band_start; 38 WORD16 sub_band_end; 39 WORD16 freq_band_tbl_lim[MAX_NUM_LIMITERS + 1]; 40 WORD16 num_lf_bands; 41 WORD16 num_if_bands; 42 WORD16 *freq_band_table[2]; 43 WORD16 freq_band_tbl_lo[MAX_FREQ_COEFFS / 2 + 1]; 44 WORD16 freq_band_tbl_hi[MAX_FREQ_COEFFS + 1]; 45 WORD16 freq_band_tbl_noise[MAX_NOISE_COEFFS + 1]; 46 WORD16 f_master_tbl[MAX_FREQ_COEFFS + 1]; 47 48 WORD16 qmf_sb_prev; 49 } ia_freq_band_data_struct; 50 51 typedef struct { 52 WORD32 sync_state; 53 FLAG err_flag; 54 FLAG err_flag_prev; 55 WORD16 num_time_slots; 56 WORD16 time_step; 57 WORD16 core_frame_size; 58 WORD32 out_sampling_freq; 59 60 WORD32 channel_mode; 61 WORD16 amp_res; 62 63 WORD16 start_freq; 64 WORD16 stop_freq; 65 WORD16 xover_band; 66 WORD16 freq_scale; 67 WORD16 alter_scale; 68 WORD16 noise_bands; 69 70 WORD16 limiter_bands; 71 WORD16 limiter_gains; 72 WORD16 interpol_freq; 73 WORD16 smoothing_mode; 74 ia_freq_band_data_struct *pstr_freq_band_data; 75 76 WORD16 header_extra_1; 77 WORD16 header_extra_2; 78 WORD16 pre_proc_flag; 79 80 WORD32 status; 81 82 WORD32 sbr_ratio_idx; 83 WORD32 upsamp_fac; 84 WORD32 is_usf_4; 85 WORD32 output_framesize; 86 WORD32 usac_independency_flag; 87 FLAG pvc_flag; 88 FLAG hbe_flag; 89 90 WORD32 esbr_start_up; 91 WORD32 esbr_start_up_pvc; 92 WORD32 usac_flag; 93 UWORD8 pvc_mode; 94 95 } ia_sbr_header_data_struct; 96 97 typedef struct { 98 WORD16 frame_class; 99 WORD16 num_env; 100 WORD16 transient_env; 101 WORD16 num_noise_env; 102 WORD16 border_vec[MAX_ENVELOPES + 1]; 103 WORD16 freq_res[MAX_ENVELOPES]; 104 WORD16 noise_border_vec[MAX_NOISE_ENVELOPES + 1]; 105 } ia_frame_info_struct; 106 107 #endif 108