320 lines
12 KiB
C
320 lines
12 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_SBR_DEC_H
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#define IXHEAACD_SBR_DEC_H
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#include <setjmp.h>
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typedef struct {
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FLOAT32 real[64][128];
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FLOAT32 imag[64][128];
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} ia_dft_hbe_anal_coeff;
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typedef struct {
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WORD32 x_over_qmf[MAX_NUM_PATCHES];
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WORD32 max_stretch;
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WORD32 core_frame_length;
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WORD32 hbe_qmf_in_len;
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WORD32 hbe_qmf_out_len;
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WORD32 no_bins;
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WORD32 start_band;
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WORD32 end_band;
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WORD32 upsamp_4_flag;
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WORD32 synth_buf_offset;
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FLOAT32 *ptr_input_buf;
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FLOAT32 **qmf_in_buf;
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FLOAT32 **qmf_out_buf;
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WORD32 k_start;
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WORD32 synth_size;
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FLOAT32 synth_buf[1280];
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FLOAT32 analy_buf[640];
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FLOAT32 *synth_wind_coeff;
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FLOAT32 *analy_wind_coeff;
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FLOAT32 *synth_cos_tab;
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FLOAT32 *analy_cos_sin_tab;
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FLOAT32 norm_qmf_in_buf[46][128];
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VOID (*ixheaacd_real_synth_fft)(FLOAT32 *inp, FLOAT32 *out, WORD32 n_points);
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VOID (*ixheaacd_cmplx_anal_fft)(FLOAT32 *inp, FLOAT32 *out, WORD32 n_points);
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WORD32 esbr_hq;
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WORD32 in_hop_size;
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WORD32 fft_size[2];
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FLOAT32 *anal_window;
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FLOAT32 *synth_window;
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FLOAT32 *ptr_spectrum;
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FLOAT32 *ptr_spectrum_tx;
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FLOAT32 *mag;
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FLOAT32 *phase;
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FLOAT32 *ptr_output_buf;
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WORD32 ana_fft_size[2];
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WORD32 syn_fft_size[2];
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WORD32 out_hop_size;
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WORD32 analy_size;
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WORD32 x_over_bin[MAX_STRETCH][2];
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WORD32 a_start;
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FLOAT32 spectrum_buf[1536];
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FLOAT32 spectrum_transposed_buf[1536];
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FLOAT32 mag_buf[1536];
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FLOAT32 phase_buf[1536];
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FLOAT32 output_buf[4096];
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FLOAT32 fd_win_buf[3][3][1536];
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FLOAT32 analysis_window_buf[1024];
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FLOAT32 synthesis_window_buf[1024];
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WORD32 oversampling_flag;
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ia_dft_hbe_anal_coeff str_dft_hbe_anal_coeff;
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VOID (*ixheaacd_hbe_anal_fft)(FLOAT32 *inp, FLOAT32 *scratch, WORD32 len, WORD32 sign);
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VOID (*ixheaacd_hbe_synth_ifft)(FLOAT32 *inp, FLOAT32 *scratch, WORD32 len, WORD32 sign);
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FLOAT32 *syn_cos_sin_tab;
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FLOAT32 *ana_cos_sin_tab;
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} ia_esbr_hbe_txposer_struct;
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typedef struct {
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WORD32 *ptr_sbr_overlap_buf;
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WORD32 **drc_factors_sbr;
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ia_sbr_qmf_filter_bank_struct str_codec_qmf_bank;
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ia_sbr_qmf_filter_bank_struct str_synthesis_qmf_bank;
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ia_sbr_calc_env_struct str_sbr_calc_env;
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ia_sbr_hf_generator_struct str_hf_generator;
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ia_sbr_scale_fact_struct str_sbr_scale_fact;
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WORD32 max_samp_val;
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WORD32 band_count;
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ia_esbr_hbe_txposer_struct *p_hbe_txposer;
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FLOAT32 core_sample_buf[2624];
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FLOAT32 ph_vocod_qmf_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
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FLOAT32 ph_vocod_qmf_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
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FLOAT32 sbr_qmf_out_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
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FLOAT32 sbr_qmf_out_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
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FLOAT32 qmf_buf_real[TIMESLOT_BUFFER_SIZE + 2 * 32][NO_QMF_SYNTH_CHANNELS];
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FLOAT32 qmf_buf_imag[TIMESLOT_BUFFER_SIZE + 2 * 32][NO_QMF_SYNTH_CHANNELS];
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FLOAT32 mps_qmf_buf_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
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FLOAT32 mps_qmf_buf_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
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FLOAT32 mps_sbr_qmf_buf_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
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FLOAT32 mps_sbr_qmf_buf_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
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WORD32 sbr_scratch_local[256];
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FLOAT32 scratch_buff[320];
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FLOAT32 qmf_energy_buf[64][32];
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FLOAT32 pvc_qmf_enrg_arr[16 * 32];
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FLOAT32 **pp_qmf_buf_real;
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FLOAT32 **pp_qmf_buf_imag;
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FLOAT32 *time_sample_buf;
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} ia_sbr_dec_struct;
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typedef struct {
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ia_sbr_prev_frame_data_struct *pstr_prev_frame_data;
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ia_sbr_dec_struct str_sbr_dec;
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WORD32 output_frame_size;
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WORD32 sync_state;
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} ia_sbr_channel_struct;
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struct ia_sbr_dec_inst_struct {
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ia_ps_dec_struct *pstr_ps_stereo_dec;
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ia_ps_dec_config_struct str_ps_config_prev;
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FLAG ps_present;
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ia_sbr_channel_struct *pstr_sbr_channel[MAXNRSBRCHANNELS];
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ia_sbr_header_data_struct *pstr_sbr_header[MAXNRSBRCHANNELS];
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ia_freq_band_data_struct *pstr_freq_band_data[MAXNRSBRCHANNELS];
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ia_sbr_tables_struct *pstr_sbr_tables;
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ixheaacd_misc_tables *pstr_common_tables;
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ia_pvc_data_struct *ptr_pvc_data_str;
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VOID *hbe_txposer_buffers;
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FLOAT32 *time_sample_buf[MAXNRSBRCHANNELS];
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VOID *scratch_mem_v;
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VOID *frame_buffer[2];
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ia_sbr_header_data_struct str_sbr_dflt_header;
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FLAG stereo_config_idx;
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FLAG usac_independency_flag;
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FLAG pvc_flag;
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FLAG hbe_flag;
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FLAG sbr_mode;
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FLAG prev_sbr_mode;
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FLAG inter_tes_flag;
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FLAG aot_usac_flag;
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WORD32 band_count[MAXNRSBRCHANNELS];
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jmp_buf *xaac_jmp_buf;
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WORD8 *ptr_mps_data;
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WORD32 left_mps_bits;
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WORD32 mps_bits_pos;
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FLAG esbr_hq;
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FLAG enh_sbr;
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FLAG enh_sbr_ps;
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FLAG eld_sbr;
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WORD32 num_delay_frames;
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FLAG sbr_parse_err_flag;
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FLAG frame_ok;
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FLAG ec_flag;
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FLAG first_frame;
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FLAG prev_usac_independency_flag;
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FLAG sbr_parse_complete;
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};
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typedef struct ia_sbr_pers_struct {
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WORD16 *sbr_qmf_analy_states;
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WORD32 *sbr_qmf_analy_states_32;
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WORD16 *sbr_qmf_synth_states;
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WORD32 *sbr_qmf_synth_states_32;
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WORD32 **sbr_lpc_filter_states_real[MAXNRSBRCHANNELS];
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WORD32 **sbr_lpc_filter_states_imag[MAXNRSBRCHANNELS];
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WORD32 *ptr_sbr_overlap_buf[MAXNRSBRCHANNELS];
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struct ia_sbr_dec_inst_struct str_sbr_dec_inst;
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ia_transposer_settings_struct str_sbr_tran_settings;
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WORD16 *sbr_smooth_gain_buf[MAXNRSBRCHANNELS];
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WORD16 *sbr_smooth_noise_buf[MAXNRSBRCHANNELS];
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ia_sbr_prev_frame_data_struct *pstr_prev_frame_data[MAXNRSBRCHANNELS];
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} ia_sbr_pers_struct;
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WORD32 ixheaacd_sbr_dec(
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ia_sbr_dec_struct *ptr_sbr_dec, WORD16 *ptr_time_data,
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ia_sbr_header_data_struct *ptr_header_data, ia_sbr_frame_info_data_struct *ptr_frame_data,
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ia_sbr_prev_frame_data_struct *ptr_frame_data_prev, ia_ps_dec_struct *ptr_ps_dec,
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ia_sbr_qmf_filter_bank_struct *ptr_qmf_synth_bank_r, ia_sbr_scale_fact_struct *ptr_sbr_sf_r,
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FLAG apply_processing, FLAG low_pow_flag, WORD32 *ptr_work_buf_core,
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ia_sbr_tables_struct *sbr_tables_ptr, ixheaacd_misc_tables *pstr_common_tables, WORD ch_fac,
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ia_pvc_data_struct *ptr_pvc_data_str, FLAG drc_on, WORD32 drc_sbr_factors[][64],
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WORD32 audio_object_type, WORD32 ldmps_present, VOID *self, WORD32 heaac_mps_present,
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WORD32 ec_flag);
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WORD16 ixheaacd_create_sbrdec(ixheaacd_misc_tables *pstr_common_table,
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ia_sbr_channel_struct *ptr_sbr_channel,
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ia_sbr_header_data_struct *ptr_header_data,
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WORD16 chan, FLAG down_sample_flag,
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VOID *sbr_persistent_mem_v, WORD ps_enable,
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WORD audio_object_type, WORD32 ldmps_present,
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WORD32 ldsbr_present);
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#define MAX_NUM_QMF_BANDS_ESBR 128
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WORD32 ixheaacd_sbr_dec_from_mps(FLOAT32 *p_mps_qmf_output, VOID *p_sbr_dec, VOID *p_sbr_frame,
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VOID *p_sbr_header, WORD32 ec_flag);
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WORD32 ixheaacd_qmf_hbe_apply(ia_esbr_hbe_txposer_struct *h_hbe_txposer,
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FLOAT32 qmf_buf_real[][64],
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FLOAT32 qmf_buf_imag[][64], WORD32 num_columns,
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FLOAT32 pv_qmf_buf_real[][64],
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FLOAT32 pv_qmf_buf_imag[][64],
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WORD32 pitch_in_bins,
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ia_sbr_header_data_struct *ptr_header_data);
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VOID ixheaacd_hbe_apply_cfftn(FLOAT32 re[], FLOAT32 *scratch, WORD32 n_pass, WORD32 i_sign);
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VOID ixheaacd_hbe_apply_cfftn_gen(FLOAT32 re[], FLOAT32 *scratch, WORD32 n_pass,
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WORD32 i_sign);
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VOID ixheaacd_hbe_apply_fft_288(FLOAT32 *inp, FLOAT32 *scratch, WORD32 len, WORD32 i_sign);
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VOID ixheaacd_hbe_apply_ifft_224(FLOAT32 *inp, FLOAT32 *scratch, WORD32 len, WORD32 i_sign);
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VOID ixheaacd_hbe_apply_fft_3(FLOAT32 *inp, FLOAT32 *op, WORD32 i_sign);
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VOID ixheaacd_hbe_apply_ifft_7(FLOAT32 *inp, FLOAT32 *op);
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VOID ixheaacd_hbe_apply_ifft_336(FLOAT32 *inp, FLOAT32 *ptr_scratch, WORD32 len,
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WORD32 i_sign);
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WORD32 ixheaacd_dft_hbe_apply(ia_esbr_hbe_txposer_struct *ptr_hbe_txposer,
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FLOAT32 qmf_buf_real[][64],
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FLOAT32 qmf_buf_imag[][64], WORD32 num_columns,
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FLOAT32 pv_qmf_buf_real[][64],
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FLOAT32 pv_qmf_buf_imag[][64],
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WORD32 pitch_in_bins,
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FLOAT32 *dft_hbe_scratch_buf);
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WORD32 ixheaacd_sbr_env_calc(ia_sbr_frame_info_data_struct *frame_data, FLOAT32 input_real[][64],
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FLOAT32 input_imag[][64], FLOAT32 input_real1[][64],
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FLOAT32 input_imag1[][64], WORD32 x_over_qmf[MAX_NUM_PATCHES],
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FLOAT32 *scratch_buff, FLOAT32 *env_out, WORD32 ldmps_present,
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WORD32 ec_flag);
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WORD32 ixheaacd_generate_hf(FLOAT32 ptr_src_buf_real[][64], FLOAT32 ptr_src_buf_imag[][64],
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FLOAT32 ptr_ph_vocod_buf_real[][64],
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FLOAT32 ptr_ph_vocod_buf_imag[][64], FLOAT32 ptr_dst_buf_real[][64],
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FLOAT32 ptr_dst_buf_imag[][64],
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ia_sbr_frame_info_data_struct *ptr_frame_data,
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ia_sbr_header_data_struct *ptr_header_data, WORD32 audio_object_type,
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WORD32 time_slots, WORD32 ec_flag);
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VOID ixheaacd_clr_subsamples(WORD32 *ptr_qmf_buf, WORD32 num, WORD32 size);
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VOID ixheaacd_rescale_x_overlap(
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ia_sbr_dec_struct *ptr_sbr_dec, ia_sbr_header_data_struct *ptr_header_data,
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ia_sbr_frame_info_data_struct *ptr_frame_data,
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ia_sbr_prev_frame_data_struct *ptr_frame_data_prev,
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WORD32 **pp_overlap_buffer_real, WORD32 **pp_overlap_buffer_imag,
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FLAG low_pow_flag);
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WORD32 ixheaacd_qmf_hbe_data_reinit(
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ia_esbr_hbe_txposer_struct *ptr_hbe_transposer_str,
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WORD16 *ptr_freq_band_tbl[MAX_FREQ_COEFFS + 1], WORD16 *ptr_num_sf_bands,
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WORD32 upsamp_4_flag);
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WORD32 ixheaacd_dft_hbe_data_reinit(ia_esbr_hbe_txposer_struct *ptr_hbe_txposer,
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WORD16 *p_freq_band_tab[2], WORD16 *p_num_sfb);
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WORD32 ixheaacd_sbr_read_pvc_sce(ia_sbr_frame_info_data_struct *ptr_frame_data,
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ia_bit_buf_struct *it_bit_buff,
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WORD32 hbe_flag,
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ia_pvc_data_struct *ptr_pvc_data,
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ia_sbr_tables_struct *sbr_tables_ptr,
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ia_sbr_header_data_struct *ptr_header_data);
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WORD32 ixheaacd_esbr_dec(ia_sbr_dec_struct *ptr_sbr_dec,
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ia_sbr_header_data_struct *ptr_header_data,
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ia_sbr_frame_info_data_struct *ptr_frame_data,
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FLAG apply_processing, FLAG low_pow_flag,
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ia_sbr_tables_struct *sbr_tables_ptr, WORD32 ch_fac);
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VOID ixheaacd_hbe_repl_spec(WORD32 x_over_qmf[MAX_NUM_PATCHES],
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FLOAT32 qmf_buf_real[][64],
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FLOAT32 qmf_buf_imag[][64], WORD32 no_bins,
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WORD32 max_stretch);
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#endif
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