/******************************************************************************
* *
* Copyright (C) 2018 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
*/
#ifndef IXHEAACD_PS_DEC_H
#define IXHEAACD_PS_DEC_H
#define MAX_NUM_COLUMNS 32
#define NUM_OF_QUAD_MIRROR_FILTER_CHNLS 64
#define NUM_OF_ALL_PASS_CHNLS 23
#define NUM_OF_DEL_CHNLS \
(NUM_OF_QUAD_MIRROR_FILTER_CHNLS - NUM_OF_ALL_PASS_CHNLS)
#define DEL_ALL_PASS 2
#define SMALL_DEL_STRT 12
#define SMALL_DEL 1
#define HIGH_DEL 14
#define NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS \
(NUM_OF_ALL_PASS_CHNLS - NO_QMF_CHANNELS_IN_HYBRID)
#define NUM_OF_QUAD_MIRROR_FILTER_ICC_CHNLS \
(NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS + NUM_OF_DEL_CHNLS)
#define PEAK_DECAYING_FACT 0x620a
#define NUM_SER_AP_LINKS 3
#define MAXIM_NUM_OF_PS_ENVLOPS 5
#define PSC_SQRT05F (0x5a82)
#define NUM_OF_BINS (20)
#define NUM_BANDS_FINE (34)
typedef WORD16((*REVERB_BUFFERS_RI)[NUM_SER_AP_LINKS])[32 * 2];
typedef WORD16((REVERB_BUFFERS_CH_RI[5])[NUM_SER_AP_LINKS])[16 * 2];
typedef struct {
WORD16 (*delay_buf_qmf_ap_re_im)[32 * 2];
WORD16 (*delay_buf_qmf_ld_re_im)[SMALL_DEL_STRT * 2];
WORD16 (*delay_buf_qmf_sd_re_im)[2 * 32];
WORD16 delay_buf_idx_ser[NUM_SER_AP_LINKS];
WORD16 delay_sample_ser[NUM_SER_AP_LINKS];
REVERB_BUFFERS_RI delay_buf_qmf_ser_re_im;
WORD16 delay_buf_idx;
WORD16 delay_buf_idx_long;
WORD32 *peak_decay_diff;
WORD32 *energy_prev;
WORD32 *peak_decay_diff_prev;
WORD32 *ptr_hyb_left_re;
WORD32 *ptr_hyb_left_im;
WORD32 *ptr_hyb_right_re;
WORD32 *ptr_hyb_right_im;
WORD16 delay_buf_qmf_sub_re_im[DEL_ALL_PASS][16 * 2];
REVERB_BUFFERS_CH_RI delay_buf_qmf_sub_ser_re_im;
WORD16 h11_h12_vec[2 * 24];
WORD16 h21_h22_vec[2 * 24];
WORD16 H11_H12[2 * 24];
WORD16 H21_H22[2 * 24];
WORD16 delta_h11_h12[2 * 24];
WORD16 delta_h21_h22[2 * 24];
FLAG force_mono;
WORD16 delay_buffer_scale;
WORD16 usb;
WORD16 iid_par_prev[NUM_BANDS_FINE];
WORD16 icc_par_prev[NUM_BANDS_FINE];
FLAG ps_data_present;
FLAG enable_iid;
FLAG enable_icc;
FLAG enable_ext;
WORD16 iid_mode;
WORD16 icc_mode;
FLAG iid_quant;
FLAG frame_class;
WORD16 num_env;
WORD16 border_position[MAXIM_NUM_OF_PS_ENVLOPS + 2];
FLAG iid_dt[MAXIM_NUM_OF_PS_ENVLOPS];
FLAG icc_dt[MAXIM_NUM_OF_PS_ENVLOPS];
WORD16 iid_par_table[MAXIM_NUM_OF_PS_ENVLOPS + 2][NUM_BANDS_FINE];
WORD16 icc_par_table[MAXIM_NUM_OF_PS_ENVLOPS + 2][NUM_BANDS_FINE];
ia_hybrid_struct str_hybrid;
} ia_ps_dec_struct;
WORD32 ixheaacd_create_psdec(ia_ps_dec_struct *ptr_ps_dec,
VOID *sbr_persistent_mem, WORD32 *ptr_overlap_buf);
VOID ixheaacd_decorr_filter1_dec(ia_ps_dec_struct *ptr_ps_dec,
ia_ps_tables_struct *ps_tables_ptr,
WORD16 *transient_ratio);
VOID ixheaacd_decorr_filter1_armv7(ia_ps_dec_struct *ptr_ps_dec,
ia_ps_tables_struct *ps_tables_ptr,
WORD16 *transient_ratio);
VOID ixheaacd_decorr_filter2_dec(
ia_ps_dec_struct *ptr_ps_dec, WORD32 *p_buf_left_real,
WORD32 *p_buf_left_imag, WORD32 *p_buf_right_real, WORD32 *p_buf_right_imag,
ia_ps_tables_struct *ps_tables_ptr, WORD16 *transient_ratio);
VOID ixheaacd_decorr_filter2_armv7(
ia_ps_dec_struct *ptr_ps_dec, WORD32 *p_buf_left_real,
WORD32 *p_buf_left_imag, WORD32 *p_buf_right_real, WORD32 *p_buf_right_imag,
ia_ps_tables_struct *ps_tables_ptr, WORD16 *transient_ratio);
WORD32 ixheaacd_divide16_pos_dec(WORD32 op1, WORD32 op2);
WORD32 ixheaacd_divide16_pos_armv7(WORD32 op1, WORD32 op2);
VOID ixheaacd_decorrelation_dec(ia_ps_dec_struct *ptr_ps_dec,
WORD32 *p_buf_left_real,
WORD32 *p_buf_left_imag,
WORD32 *p_buf_right_real,
WORD32 *p_buf_right_imag,
ia_ps_tables_struct *ps_tables_ptr);
VOID ixheaacd_decorrelation_armv7(ia_ps_dec_struct *ptr_ps_dec,
WORD32 *p_buf_left_real,
WORD32 *p_buf_left_imag,
WORD32 *p_buf_right_real,
WORD32 *p_buf_right_imag,
ia_ps_tables_struct *ps_tables_ptr);
VOID ixheaacd_init_ps_scale(ia_ps_dec_struct *ptr_ps_dec,
ia_sbr_scale_fact_struct *sbr_scale_factor);
VOID ixheaacd_init_rot_env(ia_ps_dec_struct *ptr_ps_dec, WORD16 env, WORD16 usb,
ia_sbr_tables_struct *sbr_tables_ptr,
const WORD16 *cos_sin_lookup_tab);
VOID ixheaacd_apply_ps(ia_ps_dec_struct *ptr_ps_dec, WORD32 **real_buf_left,
WORD32 **imag_buf_left, WORD32 *real_buf_right,
WORD32 *imag_buf_right,
ia_sbr_scale_fact_struct *sbr_scale_factor, WORD16 slot,
ia_sbr_tables_struct *sbr_tables_ptr);
VOID ixheaacd_apply_rot_dec(ia_ps_dec_struct *ptr_ps_dec, WORD32 *p_qmf_left_re,
WORD32 *p_qmf_left_im, WORD32 *p_qmf_right_re,
WORD32 *p_qmf_right_im,
ia_sbr_tables_struct *sbr_tables_ptr,
const WORD16 *ptr_res);
VOID ixheaacd_apply_rot_armv7(ia_ps_dec_struct *ptr_ps_dec,
WORD32 *qmf_left_real, WORD32 *qmf_left_imag,
WORD32 *qmf_right_real, WORD32 *qmf_right_imag,
ia_sbr_tables_struct *sbr_tables_ptr,
const WORD16 *ptr_resol);
VOID ixheaacd_scale_ps_states(ia_ps_dec_struct *ptr_ps_dec, WORD16 scale);
extern WORD16 ixheaacd_divideby2(WORD32 op);
extern WORD16 ixheaacd_divideby3(WORD32 op);
#endif