/******************************************************************************
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* *
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* Copyright (C) 2018 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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#ifndef IXHEAACD_MAIN_H
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#define IXHEAACD_MAIN_H
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VOID ixheaacd_imdct_flt(FLOAT32 in_data[], FLOAT32 out_data[], WORD32 len);
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VOID usac_tw_imdct(FLOAT32 in_data[], FLOAT32 out_data[], WORD32 len);
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WORD32 ixheaacd_window_calc(FLOAT32 window[], WORD32 len, WORD32 wfun_select);
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VOID calc_window_ratio(FLOAT32 window[], WORD32 len, WORD32 prev_len,
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WORD32 wfun_select, WORD32 prev_wfun_select);
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WORD32 ixheaacd_tw_window_calc(FLOAT32 window[], WORD32 len,
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WORD32 wfun_select);
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typedef struct ia_usac_lpd_decoder {
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WORD32 mode_prev;
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float synth_prev[MAX_PITCH + SYNTH_DELAY_LMAX];
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float xcitation_prev[MAX_PITCH + INTER_LP_FIL_ORDER + 1];
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int pitch_prev[NUM_SUBFR_SUPERFRAME_BY2 - 1];
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float gain_prev[NUM_SUBFR_SUPERFRAME_BY2 - 1];
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float lp_flt_coeff_a_prev[2 * (ORDER + 1)];
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FLOAT32 exc_prev[1 + (2 * FAC_LENGTH)];
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FLOAT32 bpf_prev[FILTER_DELAY + LEN_SUBFR];
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WORD32 ilspold[ORDER];
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FLOAT32 fac_gain;
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FLOAT32 fac_fd_data[FAC_LENGTH / 4];
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FLOAT32 lsf_prev[ORDER];
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FLOAT32 lspold[ORDER];
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WORD32 lsfold_first[ORDER];
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FLOAT32 gain_threshold;
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WORD32 fscale;
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FLOAT32 fd_synth_buf[3 * LEN_FRAME + 1 + ORDER];
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FLOAT32 *fd_synth;
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WORD32 bpf_active_prev;
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} ia_usac_lpd_decoder, *ia_usac_lpd_decoder_handle;
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typedef struct ia_usac_data_main_struct {
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FLOAT32 time_sample_vector[MAX_NUM_CHANNELS][4096];
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WORD32 input_data_ptr[MAX_NUM_CHANNELS][4096];
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WORD32 overlap_data_ptr[MAX_NUM_CHANNELS][4096];
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WORD32 output_data_ptr[MAX_NUM_CHANNELS][4096];
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WORD32 window_shape[MAX_NUM_CHANNELS];
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WORD32 window_shape_prev[MAX_NUM_CHANNELS];
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WORD32 window_sequence[MAX_NUM_CHANNELS];
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WORD32 window_sequence_last[MAX_NUM_CHANNELS];
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WORD32 output_samples;
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WORD32 sbr_ratio_idx;
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WORD32 usac_independency_flg;
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WORD32 sampling_rate_idx;
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WORD32 audio_object_type;
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WORD32 down_samp_sbr;
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WORD32 sbr_mode;
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WORD32 tw_mdct[MAX_ELEMENTS];
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WORD32 mps_pseudo_lr[MAX_ELEMENTS];
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WORD32 td_frame_prev[MAX_NUM_CHANNELS];
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FLOAT32 warp_sum[MAX_NUM_CHANNELS][2];
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FLOAT32 warp_cont_mem[MAX_NUM_CHANNELS][3 * 1024];
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FLOAT32 prev_sample_pos[MAX_NUM_CHANNELS][3 * 1024];
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FLOAT32 prev_tw_trans_len[MAX_NUM_CHANNELS][2];
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WORD32 prev_tw_start_stop[MAX_NUM_CHANNELS][2];
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FLOAT32 prev_warped_time_sample_vector[MAX_NUM_CHANNELS][3 * 1024];
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FLOAT32 lpc_prev[MAX_NUM_CHANNELS][ORDER + 1];
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FLOAT32 acelp_in[MAX_NUM_CHANNELS][1 + (2 * FAC_LENGTH)];
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WORD32 alpha_q_re[MAX_SHORT_WINDOWS][SFB_NUM_MAX];
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WORD32 alpha_q_im[MAX_SHORT_WINDOWS][SFB_NUM_MAX];
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UWORD8 cplx_pred_used[MAX_SHORT_WINDOWS][SFB_NUM_MAX];
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WORD32 alpha_q_re_prev[SFB_NUM_MAX];
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WORD32 alpha_q_im_prev[SFB_NUM_MAX];
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WORD32 dmx_re_prev[BLOCK_LEN_LONG];
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VOID *sbr_scratch_mem_base;
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WORD32 *coef_fix[MAX_NUM_CHANNELS];
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FLOAT32 *coef[MAX_NUM_CHANNELS];
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UWORD8 *ms_used[MAX_NUM_CHANNELS];
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WORD32 *coef_save[chans];
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WORD16 *factors[MAX_NUM_CHANNELS];
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UWORD8 *group_dis[MAX_NUM_CHANNELS];
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WORD32 tw_data_present[MAX_NUM_CHANNELS];
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WORD32 *tw_ratio[MAX_NUM_CHANNELS];
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ia_tns_frame_info_struct *pstr_tns[MAX_NUM_CHANNELS];
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ia_usac_lpd_decoder_handle str_tddec[MAX_NUM_CHANNELS];
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WORD32 arith_prev_n[MAX_NUM_CHANNELS];
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WORD8 c_prev[MAX_NUM_CHANNELS][1024 / 2 + 4];
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WORD8 c[MAX_NUM_CHANNELS][1024 / 2 + 4];
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WORD32 noise_filling_config[MAX_NUM_ELEMENTS];
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UWORD32 seed_value[MAX_NUM_CHANNELS];
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WORD32 present_chan;
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WORD32 fac_data_present[MAX_NUM_CHANNELS];
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WORD32 fac_data[MAX_NUM_CHANNELS][FAC_LENGTH + 1];
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ia_sfb_info_struct *pstr_sfb_info[MAX_NUM_CHANNELS];
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ia_sfb_info_struct str_only_long_info;
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ia_sfb_info_struct str_eight_short_info;
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ia_sfb_info_struct *pstr_usac_winmap[NUM_WIN_SEQ];
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WORD16 sfb_width_short[(1 << LEN_MAX_SFBS)];
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WORD32 ccfl;
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WORD32 len_subfrm;
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WORD32 num_subfrm;
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ia_handle_sbr_dec_inst_struct pstr_esbr_dec;
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ia_aac_dec_sbr_bitstream_struct esbr_bit_str[2];
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WORD32 x_ac_dec[1024];
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WORD32 scratch_buffer[1024];
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FLOAT32 synth_buf[1883];
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FLOAT32 exc_buf[1453];
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FLOAT32 lp_flt_coff[290];
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WORD32 pitch[25];
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FLOAT32 pitch_gain[25];
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UWORD16 *huffman_code_book_scl;
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UWORD32 *huffman_code_book_scl_index;
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WORD32 *tns_coeff3_32;
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WORD32 *tns_coeff4_32;
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WORD32 (*tns_max_bands_tbl_usac)[16][2];
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WORD16 sfb_width_long[(1 << LEN_MAX_SFBL)];
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WORD32 usac_flag;
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WORD32 arr_coef_fix[MAX_NUM_CHANNELS][(LN2 + LN2 / 8)];
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FLOAT32 arr_coef[MAX_NUM_CHANNELS][(LN2 + LN2 / 8)];
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WORD32 arr_coef_save[chans][(LN2 + LN2 / 8)];
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WORD16 arr_factors[MAX_NUM_CHANNELS][MAXBANDS];
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UWORD8 arr_group_dis[MAX_NUM_CHANNELS][NSHORT];
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WORD32 arr_tw_ratio[MAX_NUM_CHANNELS][NUM_TW_NODES];
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UWORD8 arr_ms_used[MAX_NUM_CHANNELS][MAXBANDS];
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ia_usac_lpd_decoder arr_str_tddec[MAX_NUM_CHANNELS];
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ia_tns_frame_info_struct arr_str_tns[MAX_NUM_CHANNELS];
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} ia_usac_data_struct;
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IA_ERRORCODE ixheaacd_tns_apply(ia_usac_data_struct *usac_data, WORD32 *spec,
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WORD32 nbands,
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ia_sfb_info_struct *pstr_sfb_info,
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ia_tns_frame_info_struct *pstr_tns);
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WORD32 ixheaacd_calc_max_spectral_line_dec(WORD32 *ptr_tmp, WORD32 size);
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WORD32 ixheaacd_calc_max_spectral_line_armv7(WORD32 *ptr_tmp, WORD32 size);
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WORD32 ixheaacd_calc_max_spectral_line_armv8(WORD32 *ptr_tmp, WORD32 size);
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WORD32 ixheaacd_tw_buff_update(ia_usac_data_struct *usac_data, WORD32 i,
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ia_usac_lpd_decoder_handle st);
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VOID ixheaacd_fix2flt_data(ia_usac_data_struct *usac_data,
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ia_usac_lpd_decoder_handle st, WORD32 k);
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VOID ixheaacd_td_frm_dec(ia_usac_data_struct *usac_data, WORD32 k, WORD32 mod0);
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WORD32 ixheaacd_tw_frame_dec(ia_usac_data_struct *usac_data, WORD32 i_ch,
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FLOAT32 sample_pos[], FLOAT32 tw_trans_len[],
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WORD32 tw_start_stop[]);
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WORD32 ixheaacd_fd_frm_dec(ia_usac_data_struct *usac_data, WORD32 i_ch);
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WORD32 ixheaacd_acelp_mdct(WORD32 *ptr_in, WORD32 *ptr_out, WORD32 *preshift,
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WORD32 length, WORD32 *ptr_scratch);
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WORD32 ixheaacd_acelp_mdct_main(ia_usac_data_struct *usac_data, WORD32 *x,
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WORD32 *y, WORD32 l, WORD32 m,
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WORD32 *preshift);
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WORD32 ixheaacd_fr_alias_cnx_fix(WORD32 *x_in, WORD32 len_subfr, WORD32 lfac,
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WORD32 *iaq, WORD32 *izir, WORD32 *ifacdec,
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WORD8 *qshift1, WORD8 qshift2, WORD8 qshift3,
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WORD32 *preshift, WORD32 *ptr_scratch);
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WORD32 ixheaacd_fwd_alias_cancel_tool(
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ia_usac_data_struct *usac_data, ia_td_frame_data_struct *pstr_td_frame_data,
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WORD32 fac_length, FLOAT32 *iaq, WORD32 gain);
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WORD32 ixheaacd_lpd_bpf_fix(ia_usac_data_struct *usac_data, WORD32 is_short,
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FLOAT32 out_buffer[],
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ia_usac_lpd_decoder_handle st);
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VOID ixheaacd_reset_acelp_data_fix(ia_usac_data_struct *usac_data,
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ia_usac_lpd_decoder_handle st,
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WORD32 *ptr_ola_buff, WORD32 last_was_short,
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WORD32 tw_mdct);
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#endif
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