/****************************************************************************** * * * 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 IXHEAACE_IPD_MASK_NEGATED (0x00001000) #define IXHEAACE_INVF_SMOOTHING_LENGTH (2) #define IXHEAACE_LD_TRAN (1) #define IXHEAACE_SBR_TRAN_BITS (4) #define IXHEAACE_SBR_ENVT_NUMENV (0) #define IXHEAACE_SBR_ENVT_TRANIDX (3) typedef struct { const WORD32 a_hyb_res[3]; const WORD32 hi_res_band_borders[8 + 12 + 1]; const WORD32 grp_borders_mix[28 + 1]; const WORD32 shift_in_bins[20]; const WORD32 bins_2_goup_map[28 + 1]; const FLOAT32 p4_13[13]; const FLOAT32 p8_13[13]; const FLOAT32 pan_class[7]; const FLOAT32 sa_class[7]; /*Huffman tables for PS*/ const WORD32 a_book_ps_iid_time_code[29]; const WORD8 a_book_ps_iid_time_length[29]; const WORD32 a_book_ps_iid_freq_code[29]; const WORD8 a_book_ps_iid_freq_length[29]; const WORD16 a_book_ps_icc_time_code[15]; const WORD8 a_book_ps_icc_time_length[15]; const WORD16 a_book_ps_icc_freq_code[15]; const WORD8 a_book_ps_icc_freq_length[15]; } ixheaace_str_ps_tab; typedef enum { IXHEAACE_INVF_OFF = 0, IXHEAACE_INVF_LOW_LEVEL, IXHEAACE_INVF_MID_LEVEL, IXHEAACE_INVF_HIGH_LEVEL, IXHEAACE_INVF_SWITCHED } ixheaace_invf_mode; typedef struct { const FLOAT32 quant_steps_sbr[4]; const FLOAT32 quant_steps_org[4]; const FLOAT32 energy_brdrs[4]; WORD32 num_regions_sbr; WORD32 num_regions_orig; WORD32 num_regions_nrg; ixheaace_invf_mode region_space[5][5]; ixheaace_invf_mode region_space_transient[5][5]; WORD32 energy_comp_factor[5]; } ixheaace_str_det_params; typedef struct { WORD32 n_envelopes; WORD32 borders[IXHEAACE_MAX_ENV + 1]; ixheaace_freq_res freq_res[IXHEAACE_MAX_ENV]; WORD32 short_env; WORD32 n_noise_envelopes; WORD32 borders_noise[MAXIMUM_NOISE_ENVELOPES + 1]; } ixheaace_str_frame_info_sbr; typedef struct { WORD32 num_noise_bands; WORD32 noise_floor_offset; WORD32 noise_max_level; } ixheaace_noise_config; typedef struct { WORD32 start_freq; WORD32 stop_freq; } ixheaace_freq_range; typedef struct { UWORD32 bitrate_from; UWORD32 bitrate_to; ixheaace_freq_range freq_band; WORD32 freq_scale; ixheaace_noise_config noise; ixheaace_sbr_stereo_mode stereo_mode; } ixheaace_sbr_tuning_tables; typedef struct { const FLOAT32 sbr_qmf_64_640[QMF_FILTER_LENGTH + 10]; const FLOAT32 sbr_cld_fb[CLD_FILTER_LENGTH]; const FLOAT32 sbr_p_64_640_qmf[QMF_FILTER_LENGTH]; const FLOAT32 sbr_alt_sin_twiddle[19]; const FLOAT32 sbr_cos_sin_twiddle[32]; const FLOAT32 cos_sin_fct4_32[32]; const FLOAT32 cos_sin_fct4_16[16]; const FLOAT32 cos_sin_fct4_8[8]; const ixheaace_str_det_params detector_params_aac; /*Not part of QMF filtering*/ const ixheaace_str_det_params detector_params_aac_speech; /*but included here for convenience*/ ixheaace_str_frame_info_sbr frame_info1_2048; ixheaace_str_frame_info_sbr frame_info2_2048; ixheaace_str_frame_info_sbr frame_info4_2048; ixheaace_str_frame_info_sbr frame_480_info1_2048; ixheaace_str_frame_info_sbr frame_480_info2_2048; ixheaace_str_frame_info_sbr frame_480_info4_2048; const FLOAT32 ptr_smooth_filter[4]; UWORD32 supported_sample_rate[9]; ixheaace_sbr_tuning_tables sbr_tuning_table_lc[10][2][10]; ixheaace_sbr_tuning_tables sbr_tuning_table_ld[10][2][10]; } ixheaace_str_qmf_tabs; typedef struct { const WORD32 v_huff_env_lvl_c10t[121]; const UWORD8 v_huff_env_lvl_l10t[121]; const WORD32 v_huff_env_lvl_c10f[121]; const UWORD8 v_huff_env_lvl_l10f[121]; const WORD32 book_sbr_env_bal_c10t[49]; const UWORD8 book_sbr_env_bal_l10t[49]; const WORD32 book_sbr_env_bal_c10f[49]; const UWORD8 book_sbr_env_bal_l10f[49]; const WORD32 v_huff_env_lvl_c11t[63]; const UWORD8 v_huff_env_lvl_l11t[63]; const WORD32 v_huff_env_lvl_c11f[63]; const UWORD8 v_huff_env_lvl_l11f[63]; const WORD32 book_sbr_env_bal_c11t[25]; const UWORD8 book_sbr_env_bal_l11t[25]; const WORD32 book_sbr_env_bal_c11f[25]; const UWORD8 book_sbr_env_bal_l11f[25]; const WORD32 v_huff_noise_lvl_c11t[63]; const UWORD8 v_huff_noise_lvl_l11t[63]; const WORD32 book_sbr_noise_bal_c11t[25]; const UWORD8 book_sbr_noise_bal_l11t[25]; } ixheaace_str_sbr_huff_tabs; typedef struct { const WORD32 sfb_bins_8k[21]; const WORD32 sfb_bins_11k[23]; const WORD32 sfb_bins_12k[23]; const WORD32 sfb_bins_16k[23]; const WORD32 sfb_bins_22k[25]; const WORD32 sfb_bins_24k[25]; const WORD32 sfb_bins_32k[27]; const WORD32 sfb_bins_44k[26]; const WORD32 sfb_bins_48k[26]; } ixheaace_str_esbr_sfb_bin_tabs; typedef struct { ixheaace_str_ps_tab *ptr_ps_tab; ixheaace_str_qmf_tabs *ptr_qmf_tab; ixheaace_str_sbr_huff_tabs *ptr_sbr_huff_tab; ixheaace_resampler_table *ptr_resamp_tab; ixheaace_resampler_sos_table *ptr_sos_downsamp_tab; ixheaace_resampler_sos_table *ptr_sos_upsamp_tab; ixheaace_str_esbr_sfb_bin_tabs *ptr_esbr_sfb_tab; } ixheaace_str_sbr_tabs; extern const ixheaace_str_ps_tab ia_enhaacplus_enc_ps_tab; extern const ixheaace_str_qmf_tabs ixheaace_qmf_tab; extern const WORD32 vector_offset_16k[]; extern const WORD32 vector_offset_22k[]; extern const WORD32 vector_offset_24k[]; extern const WORD32 vector_offset_32k[]; extern const WORD32 vector_offset_44_48_64[]; extern const WORD32 vector_offset_88_96[]; extern const WORD32 vector_offset_def[]; extern const WORD32 vector_stop_freq_32[14]; extern const WORD32 vector_stop_freq_44[14]; extern const WORD32 vector_stop_freq_48[14]; /* Resampler tables */ extern const ixheaace_resampler_table ixheaace_resamp_2_to_1_iir_filt_params; extern const ixheaace_resampler_table ixheaace_resamp_4_to_1_iir_filt_params; extern const ixheaace_resampler_sos_table iixheaace_resamp_1_to_3_filt_params; extern const ixheaace_resampler_sos_table iixheaace_resamp_8_to_1_filt_params; extern const ixheaace_str_sbr_huff_tabs ixheaace_sbr_huff_tab; extern const ixheaace_str_esbr_sfb_bin_tabs ia_esbr_sfb_bin_tabs; extern const WORD32 ixheaace_ld_env_tab_480[15][4]; extern const WORD32 ixheaace_ld_env_tab_512[16][4]; extern const WORD32 ixheaace_start_freq_16k_4_1[SBR_START_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_start_freq_22k_4_1[SBR_START_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_start_freq_24k_4_1[SBR_START_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_start_freq_32k_4_1[SBR_START_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_start_freq_48k_4_1[SBR_START_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_start_freq_96k_4_1[SBR_START_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_start_freq_dflt_4_1[SBR_START_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_stop_freq_16k_4_1[SBR_STOP_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_stop_freq_22k_4_1[SBR_STOP_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_stop_freq_24k_4_1[SBR_STOP_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_stop_freq_32k_4_1[SBR_STOP_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_stop_freq_44k_4_1[SBR_STOP_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_stop_freq_48k_4_1[SBR_STOP_FREQ_OFFSET_TBL_LEN]; extern const WORD32 ixheaace_usac_stop_freq_16k[14]; extern const WORD32 ixheaace_usac_stop_freq_22k[14]; extern const WORD32 ixheaace_usac_stop_freq_24k[14]; extern const WORD32 ixheaace_stop_freq_16k[14]; extern const WORD32 ixheaace_stop_freq_22k[14]; extern const WORD32 ixheaace_stop_freq_24k[14]; extern const WORD32 ixheaace_stop_freq_32k[14]; extern const WORD32 ixheaace_stop_freq_44k[14]; extern const WORD32 ixheaace_stop_freq_48k[14]; extern const FLOAT32 filter[IXHEAACE_INVF_SMOOTHING_LENGTH + 1]; extern const FLOAT32 long_window_sine_ld_64[IXHEAACE_QMF_CHANNELS]; extern const FLOAT32 fft_twiddle_tab_32[IXHEAACE_QMF_TIME_SLOTS]; extern const FLOAT32 sbr_sin_cos_window[IXHEAACE_QMF_CHANNELS * 2]; extern const FLOAT32 cld_fb_64_640[CLD_FILTER_LENGTH];