369 lines
14 KiB
C
369 lines
14 KiB
C
/******************************************************************************
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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_PS_DEC_H
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#define IXHEAACD_PS_DEC_H
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#define MAX_NUM_COLUMNS 32
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#define MAX_NUM_COLUMNS_960 30
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#define NUM_OF_QUAD_MIRROR_FILTER_CHNLS 64
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#define NUM_OF_ALL_PASS_CHNLS 23
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#define NUM_OF_DEL_CHNLS \
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(NUM_OF_QUAD_MIRROR_FILTER_CHNLS - NUM_OF_ALL_PASS_CHNLS)
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#define DEL_ALL_PASS 2
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#define SMALL_DEL_STRT 12
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#define SMALL_DEL 1
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#define HIGH_DEL 14
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#define NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS \
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(NUM_OF_ALL_PASS_CHNLS - NO_QMF_CHANNELS_IN_HYBRID)
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#define NUM_OF_QUAD_MIRROR_FILTER_ICC_CHNLS \
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(NUM_OF_QUAD_MIRROR_FILTER_ALL_PASS_CHNLS + NUM_OF_DEL_CHNLS)
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#define PEAK_DECAYING_FACT 0x620a
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#define MAXIM_NUM_OF_PS_ENVLOPS 5
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#define PSC_SQRT05F (0x5a82)
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#define NUM_OF_BINS (20)
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#define NUM_BANDS_FINE (34)
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#define NUM_SUB_SAMPLES_960 30
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#define CORE_CODEC_FRAME_SIZE 1024
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#define NUM_SUB_SAMPLES (CORE_CODEC_FRAME_SIZE / 32)
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#define NRG_INT_COEFF 0.75f
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#define INIT_FILT_COEFF (1.0f - NRG_INT_COEFF)
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#define NEGATE_IPD_MASK (0x00001000)
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#define NUM_IPD_STEPS (8)
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#define NUM_OPD_STEPS (8)
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#define NUM_HI_RES_BINS (34)
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#define NUM_MID_RES_BINS (20)
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#define NUM_HI_RES_IPD_BINS (17)
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#define NUM_MID_RES_IPD_BINS (11)
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#define NUM_LOW_RES_IPD_BINS (5)
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#ifndef _M_PI_
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#define _M_PI_ (3.141592653589793238462643383279)
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#endif
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#define PSC_SQRT2 (1.41421356237309504880)
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#define PSC_PIF ((FLOAT32)_M_PI_)
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#define PSC_SQRT2F ((FLOAT32)PSC_SQRT2)
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#define IPD_HALF_RANGE (PSC_PIF)
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#define IPD_SCALE_FACTOR (IPD_HALF_RANGE / NUM_IPD_STEPS)
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#define OPD_HALF_RANGE (PSC_PIF)
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#define OPD_SCALE_FACTOR (OPD_HALF_RANGE / NUM_OPD_STEPS)
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#define NEGATE_IPD_MASK (0x00001000)
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#define DECAY_CUTOFF 3
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#define DECAY_CUTOFF_HI_RES 5
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#define DECAY_SLOPE 0.05f
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#define PHASE_SMOOTH_HIST1 (0.5f)
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#define PHASE_SMOOTH_HIST2 (0.25f)
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#define NUM_QMF_BANDS_IN_HYBRID20 3
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#define NUM_QMF_BANDS_IN_HYBRID34 5
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#define MAX_NUM_QMF_CHANNELS_IN_HYBRID (NUM_QMF_BANDS_IN_HYBRID34)
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#define PEAK_DECAY_FACTOR_FAST (0.765928338364649f)
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typedef WORD16((*REVERB_BUFFERS_RI)[NUM_SER_AP_LINKS])[32 * 2];
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typedef WORD16((REVERB_BUFFERS_CH_RI[5])[NUM_SER_AP_LINKS])[16 * 2];
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typedef struct {
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WORD16 (*delay_buf_qmf_ap_re_im)[32 * 2];
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WORD16 (*delay_buf_qmf_ld_re_im)[SMALL_DEL_STRT * 2];
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WORD16 (*delay_buf_qmf_sd_re_im)[2 * 32];
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WORD16 delay_buf_idx_ser[NUM_SER_AP_LINKS];
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WORD16 delay_sample_ser[NUM_SER_AP_LINKS];
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REVERB_BUFFERS_RI delay_buf_qmf_ser_re_im;
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WORD16 delay_buf_idx;
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WORD16 delay_buf_idx_long;
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WORD32 *peak_decay_diff;
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WORD32 *energy_prev;
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WORD32 *peak_decay_diff_prev;
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WORD32 *ptr_hyb_left_re;
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WORD32 *ptr_hyb_left_im;
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WORD32 *ptr_hyb_right_re;
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WORD32 *ptr_hyb_right_im;
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WORD16 delay_buf_qmf_sub_re_im[DEL_ALL_PASS][16 * 2];
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REVERB_BUFFERS_CH_RI delay_buf_qmf_sub_ser_re_im;
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WORD16 h11_h12_vec[2 * 24];
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WORD16 h21_h22_vec[2 * 24];
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WORD16 H11_H12[2 * 24];
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WORD16 H21_H22[2 * 24];
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WORD16 delta_h11_h12[2 * 24];
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WORD16 delta_h21_h22[2 * 24];
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FLAG force_mono;
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WORD16 delay_buffer_scale;
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WORD16 usb;
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WORD16 iid_par_prev[NUM_BANDS_FINE];
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WORD16 icc_par_prev[NUM_BANDS_FINE];
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FLAG ps_data_present;
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FLAG enable_iid;
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FLAG enable_icc;
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FLAG enable_ext;
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WORD16 iid_mode;
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WORD16 icc_mode;
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FLAG iid_quant;
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FLAG frame_class;
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WORD16 num_env;
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WORD16 border_position[MAXIM_NUM_OF_PS_ENVLOPS + 2];
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FLAG iid_dt[MAXIM_NUM_OF_PS_ENVLOPS];
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FLAG icc_dt[MAXIM_NUM_OF_PS_ENVLOPS];
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WORD16 iid_par_table[MAXIM_NUM_OF_PS_ENVLOPS + 2][NUM_BANDS_FINE];
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WORD16 icc_par_table[MAXIM_NUM_OF_PS_ENVLOPS + 2][NUM_BANDS_FINE];
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ia_hybrid_struct str_hybrid;
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FLOAT32 hyb_left_re[CORE_CODEC_FRAME_SIZE / MAX_NUM_COLUMNS][MAX_NUM_COLUMNS];
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FLOAT32 hyb_left_im[CORE_CODEC_FRAME_SIZE / MAX_NUM_COLUMNS][MAX_NUM_COLUMNS];
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FLOAT32 hyb_right_re[CORE_CODEC_FRAME_SIZE / MAX_NUM_COLUMNS][MAX_NUM_COLUMNS];
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FLOAT32 hyb_right_im[CORE_CODEC_FRAME_SIZE / MAX_NUM_COLUMNS][MAX_NUM_COLUMNS];
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FLOAT32 h11_re_vec[NUM_HI_RES_BINS];
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FLOAT32 h11_im_vec[NUM_HI_RES_BINS];
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FLOAT32 h12_re_vec[NUM_HI_RES_BINS];
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FLOAT32 h12_im_vec[NUM_HI_RES_BINS];
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FLOAT32 h21_re_vec[NUM_HI_RES_BINS];
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FLOAT32 h21_im_vec[NUM_HI_RES_BINS];
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FLOAT32 h22_re_vec[NUM_HI_RES_BINS];
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FLOAT32 h22_im_vec[NUM_HI_RES_BINS];
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FLOAT32 h11_re_prev[NUM_HI_RES_BINS];
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FLOAT32 h11_im_prev[NUM_HI_RES_BINS];
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FLOAT32 h12_re_prev[NUM_HI_RES_BINS];
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FLOAT32 h12_im_prev[NUM_HI_RES_BINS];
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FLOAT32 h21_re_prev[NUM_HI_RES_BINS];
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FLOAT32 h21_im_prev[NUM_HI_RES_BINS];
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FLOAT32 h22_re_prev[NUM_HI_RES_BINS];
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FLOAT32 h22_im_prev[NUM_HI_RES_BINS];
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FLOAT32 qmf_delay_buf_re[HIGH_DEL][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 qmf_delay_buf_im[HIGH_DEL][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 sub_qmf_delay_buf_re[HIGH_DEL][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 sub_qmf_delay_buf_im[HIGH_DEL][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 ser_qmf_delay_buf_re[NUM_SER_AP_LINKS][5][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 ser_qmf_delay_buf_im[NUM_SER_AP_LINKS][5][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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ia_hybrid_flt_struct *ptr_hybrid;
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ia_hybrid_flt_struct str_flt_hybrid20;
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ia_hybrid_flt_struct str_flt_hybrid34;
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WORD32 use_34_st_bands;
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WORD32 use_34_st_bands_prev;
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WORD32 ps_mode;
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WORD32 *ptr_group_borders;
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WORD32 num_groups;
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WORD32 num_sub_qmf_groups;
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WORD32 num_bins;
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WORD32 first_delay_gr;
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WORD32 *ptr_bins_group_map;
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WORD32 num_sub_samples;
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WORD32 num_chans;
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WORD32 use_pca_rot_flg;
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WORD32 freq_res_ipd;
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WORD32 delay_qmf_delay_buf_idx[NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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WORD32 delay_qmf_delay_num_samp[NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 peak_decay_fast_bin[NUM_HI_RES_BINS];
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FLOAT32 prev_nrg_bin[NUM_HI_RES_BINS];
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FLOAT32 prev_peak_diff_bin[NUM_HI_RES_BINS];
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WORD32 ipd_idx_map_1[NUM_HI_RES_IPD_BINS];
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WORD32 opd_idx_map_1[NUM_HI_RES_IPD_BINS];
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WORD32 ipd_idx_map_2[NUM_HI_RES_IPD_BINS];
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WORD32 opd_idx_map_2[NUM_HI_RES_IPD_BINS];
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WORD32 ipd_idx_map[MAXIM_NUM_OF_PS_ENVLOPS][NUM_HI_RES_IPD_BINS];
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WORD32 opd_idx_map[MAXIM_NUM_OF_PS_ENVLOPS][NUM_HI_RES_IPD_BINS];
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FLOAT32 ser_sub_qmf_dealy_buf_re[NUM_SER_AP_LINKS][5][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 ser_sub_qmf_dealy_buf_im[NUM_SER_AP_LINKS][5][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 hyb_work_re_20[NUM_SUB_SAMPLES + HYBRID_FILTER_LENGTH - 1];
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FLOAT32 hyb_work_im_20[NUM_SUB_SAMPLES + HYBRID_FILTER_LENGTH - 1];
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FLOAT32 hyb_qmf_buf_re_20[MAX_NUM_QMF_CHANNELS_IN_HYBRID][HYBRID_FILTER_LENGTH - 1];
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FLOAT32 hyb_qmf_buf_im_20[MAX_NUM_QMF_CHANNELS_IN_HYBRID][HYBRID_FILTER_LENGTH - 1];
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FLOAT32 hyb_temp_re_20[NUM_SUB_SAMPLES][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 hyb_temp_im_20[NUM_SUB_SAMPLES][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 hyb_work_re_34[NUM_SUB_SAMPLES + HYBRID_FILTER_LENGTH - 1];
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FLOAT32 hyb_work_im_34[NUM_SUB_SAMPLES + HYBRID_FILTER_LENGTH - 1];
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FLOAT32 hyb_qmf_buf_re_34[MAX_NUM_QMF_CHANNELS_IN_HYBRID][HYBRID_FILTER_LENGTH - 1];
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FLOAT32 hyb_qmf_buf_im_34[MAX_NUM_QMF_CHANNELS_IN_HYBRID][HYBRID_FILTER_LENGTH - 1];
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FLOAT32 hyb_temp_re_34[NUM_SUB_SAMPLES][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 hyb_temp_im_34[NUM_SUB_SAMPLES][NUM_OF_QUAD_MIRROR_FILTER_CHNLS];
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FLOAT32 **pp_qmf_buf_real[2];
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FLOAT32 **pp_qmf_buf_imag[2];
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FLOAT32 *time_sample_buf[2];
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} ia_ps_dec_struct;
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typedef struct {
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FLAG enable_iid;
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FLAG enable_icc;
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WORD16 iid_mode;
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WORD16 icc_mode;
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FLAG frame_class;
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WORD32 freq_res_ipd;
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WORD16 border_position[MAXIM_NUM_OF_PS_ENVLOPS + 2];
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FLAG iid_dt[MAXIM_NUM_OF_PS_ENVLOPS];
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FLAG icc_dt[MAXIM_NUM_OF_PS_ENVLOPS];
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WORD16 iid_par_table[MAXIM_NUM_OF_PS_ENVLOPS + 2][NUM_BANDS_FINE];
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WORD16 icc_par_table[MAXIM_NUM_OF_PS_ENVLOPS + 2][NUM_BANDS_FINE];
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} ia_ps_dec_config_struct;
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VOID ixheaacd_create_psdec(ia_ps_dec_struct *ptr_ps_dec,
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VOID *sbr_persistent_mem, WORD32 *ptr_overlap_buf,
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WORD32 frame_size);
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VOID ixheaacd_decorr_filter1_dec(ia_ps_dec_struct *ptr_ps_dec,
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ia_ps_tables_struct *ps_tables_ptr,
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WORD16 *transient_ratio);
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VOID ixheaacd_decorr_filter1_armv7(ia_ps_dec_struct *ptr_ps_dec,
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ia_ps_tables_struct *ps_tables_ptr,
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WORD16 *transient_ratio);
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VOID ixheaacd_decorr_filter2_dec(
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ia_ps_dec_struct *ptr_ps_dec, WORD32 *p_buf_left_real,
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WORD32 *p_buf_left_imag, WORD32 *p_buf_right_real, WORD32 *p_buf_right_imag,
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ia_ps_tables_struct *ps_tables_ptr, WORD16 *transient_ratio);
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VOID ixheaacd_decorr_filter2_armv7(
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ia_ps_dec_struct *ptr_ps_dec, WORD32 *p_buf_left_real,
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WORD32 *p_buf_left_imag, WORD32 *p_buf_right_real, WORD32 *p_buf_right_imag,
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ia_ps_tables_struct *ps_tables_ptr, WORD16 *transient_ratio);
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WORD32 ixheaacd_divide16_pos_dec(WORD32 op1, WORD32 op2);
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WORD32 ixheaacd_divide16_pos_armv7(WORD32 op1, WORD32 op2);
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VOID ixheaacd_decorrelation_dec(ia_ps_dec_struct *ptr_ps_dec,
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WORD32 *p_buf_left_real,
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WORD32 *p_buf_left_imag,
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WORD32 *p_buf_right_real,
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WORD32 *p_buf_right_imag,
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ia_ps_tables_struct *ps_tables_ptr);
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VOID ixheaacd_decorrelation_armv7(ia_ps_dec_struct *ptr_ps_dec,
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WORD32 *p_buf_left_real,
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WORD32 *p_buf_left_imag,
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WORD32 *p_buf_right_real,
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WORD32 *p_buf_right_imag,
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ia_ps_tables_struct *ps_tables_ptr);
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VOID ixheaacd_init_ps_scale(ia_ps_dec_struct *ptr_ps_dec,
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ia_sbr_scale_fact_struct *sbr_scale_factor);
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VOID ixheaacd_init_rot_env(ia_ps_dec_struct *ptr_ps_dec, WORD16 env, WORD16 usb,
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ia_sbr_tables_struct *sbr_tables_ptr,
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const WORD16 *cos_sin_lookup_tab);
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VOID ixheaacd_apply_ps(ia_ps_dec_struct *ptr_ps_dec, WORD32 **real_buf_left,
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WORD32 **imag_buf_left, WORD32 *real_buf_right,
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WORD32 *imag_buf_right,
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ia_sbr_scale_fact_struct *sbr_scale_factor, WORD16 slot,
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ia_sbr_tables_struct *sbr_tables_ptr, WORD no_col);
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VOID ixheaacd_apply_rot_dec(ia_ps_dec_struct *ptr_ps_dec, WORD32 *p_qmf_left_re,
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WORD32 *p_qmf_left_im, WORD32 *p_qmf_right_re,
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WORD32 *p_qmf_right_im,
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ia_sbr_tables_struct *sbr_tables_ptr,
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const WORD16 *ptr_res);
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VOID ixheaacd_apply_rot_armv7(ia_ps_dec_struct *ptr_ps_dec,
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WORD32 *qmf_left_real, WORD32 *qmf_left_imag,
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WORD32 *qmf_right_real, WORD32 *qmf_right_imag,
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ia_sbr_tables_struct *sbr_tables_ptr,
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const WORD16 *ptr_resol);
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VOID ixheaacd_scale_ps_states(ia_ps_dec_struct *ptr_ps_dec, WORD16 scale);
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VOID
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ixheaacd_esbr_apply_ps(ia_ps_dec_struct * ptr_ps_dec,
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FLOAT32 **pp_qmf_buf_re_left,
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FLOAT32 **pp_qmf_buf_im_left,
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FLOAT32 **pp_qmf_buf_re_right,
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FLOAT32 **pp_qmf_buf_im_right,
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WORD32 usb, ia_ps_tables_struct *ptr_ps_tables,
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WORD32 num_time_slot);
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VOID
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ixheaacd_esbr_ps_de_correlate(ia_ps_dec_struct *ptr_ps_dec,
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FLOAT32 **pp_qmf_buf_re_left,
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FLOAT32 **pp_qmf_buf_im_left,
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FLOAT32 **pp_qmf_buf_re_right,
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FLOAT32 **pp_qmf_buf_im_right,
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ia_ps_tables_struct *ptr_ps_tables);
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VOID
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ixheaacd_esbr_ps_apply_rotation(ia_ps_dec_struct *ptr_ps_dec,
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FLOAT32 **pp_qmf_buf_re_left,
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FLOAT32 **pp_qmf_buf_im_left,
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FLOAT32 **pp_qmf_buf_re_right,
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FLOAT32 **pp_qmf_buf_im_right,
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ia_ps_tables_struct *ptr_ps_tables);
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WORD32
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ixheaacd_create_hyb_filterbank_esbr_ps(ia_hybrid_flt_struct *pHybrid,
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WORD32 frameSize,
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WORD32 noBands);
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WORD32 ixheaacd_create_ps_esbr_dec(ia_ps_dec_struct *ptr_ps_dec_struct,
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ia_ps_tables_struct *ptr_ps_tables,
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UWORD32 noQmfChans,
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UWORD32 num_sub_samples,
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WORD32 ps_mode);
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VOID ResetPsDec(ia_ps_dec_struct * ptr_ps_dec);
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VOID ResetPsDeCor(ia_ps_dec_struct * ptr_ps_dec);
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extern WORD16 ixheaacd_divideby2(WORD32 op);
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extern WORD16 ixheaacd_divideby3(WORD32 op);
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#endif
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