/******************************************************************************
* *
* 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_SBR_DEC_H
#define IXHEAACD_SBR_DEC_H
typedef struct {
WORD32 x_over_qmf[MAX_NUM_PATCHES];
WORD32 max_stretch;
WORD32 core_frame_length;
WORD32 hbe_qmf_in_len;
WORD32 hbe_qmf_out_len;
WORD32 no_bins;
WORD32 start_band;
WORD32 end_band;
WORD32 upsamp_4_flag;
WORD32 synth_buf_offset;
FLOAT32 *ptr_input_buf;
FLOAT32 **qmf_in_buf;
FLOAT32 **qmf_out_buf;
WORD32 k_start;
WORD32 synth_size;
FLOAT32 synth_buf[1280];
FLOAT32 analy_buf[640];
FLOAT32 *synth_wind_coeff;
FLOAT32 *analy_wind_coeff;
FLOAT32 *synth_cos_tab;
FLOAT32 *analy_cos_sin_tab;
FLOAT32 norm_qmf_in_buf[46][128];
} ia_esbr_hbe_txposer_struct;
typedef struct {
WORD32 *ptr_sbr_overlap_buf;
WORD32 **drc_factors_sbr;
ia_sbr_qmf_filter_bank_struct str_codec_qmf_bank;
ia_sbr_qmf_filter_bank_struct str_synthesis_qmf_bank;
ia_sbr_calc_env_struct str_sbr_calc_env;
ia_sbr_hf_generator_struct str_hf_generator;
ia_sbr_scale_fact_struct str_sbr_scale_fact;
WORD32 max_samp_val;
ia_esbr_hbe_txposer_struct *p_hbe_txposer;
FLOAT32 core_sample_buf[2624];
FLOAT32 ph_vocod_qmf_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
FLOAT32 ph_vocod_qmf_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
FLOAT32 sbr_qmf_out_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
FLOAT32 sbr_qmf_out_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
FLOAT32 qmf_buf_real[TIMESLOT_BUFFER_SIZE + 2 * 32][NO_QMF_SYNTH_CHANNELS];
FLOAT32 qmf_buf_imag[TIMESLOT_BUFFER_SIZE + 2 * 32][NO_QMF_SYNTH_CHANNELS];
FLOAT32 mps_qmf_buf_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
FLOAT32 mps_qmf_buf_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
FLOAT32 mps_sbr_qmf_buf_real[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
FLOAT32 mps_sbr_qmf_buf_imag[TIMESLOT_BUFFER_SIZE][NO_QMF_SYNTH_CHANNELS];
WORD32 sbr_scratch_local[256];
FLOAT32 scratch_buff[320];
FLOAT32 qmf_energy_buf[64][32];
FLOAT32 pvc_qmf_enrg_arr[16 * 32];
FLOAT32 **pp_qmf_buf_real;
FLOAT32 **pp_qmf_buf_imag;
FLOAT32 *time_sample_buf;
} ia_sbr_dec_struct;
typedef struct {
ia_sbr_prev_frame_data_struct *pstr_prev_frame_data;
ia_sbr_dec_struct str_sbr_dec;
WORD32 output_frame_size;
WORD32 sync_state;
} ia_sbr_channel_struct;
struct ia_sbr_dec_inst_struct {
ia_ps_dec_struct *pstr_ps_stereo_dec;
FLAG ps_present;
ia_sbr_channel_struct *pstr_sbr_channel[MAXNRSBRCHANNELS];
ia_sbr_header_data_struct *pstr_sbr_header[MAXNRSBRCHANNELS];
ia_freq_band_data_struct *pstr_freq_band_data[MAXNRSBRCHANNELS];
ia_sbr_tables_struct *pstr_sbr_tables;
ixheaacd_misc_tables *pstr_common_tables;
ia_pvc_data_struct *ptr_pvc_data_str;
VOID *hbe_txposer_buffers;
FLOAT32 *time_sample_buf[MAXNRSBRCHANNELS];
VOID *scratch_mem_v;
VOID *frame_buffer[2];
ia_sbr_header_data_struct str_sbr_dflt_header;
FLAG stereo_config_idx;
FLAG usac_independency_flag;
FLAG pvc_flag;
FLAG hbe_flag;
FLAG sbr_mode;
FLAG prev_sbr_mode;
FLAG inter_tes_flag;
FLAG aot_usac_flag;
};
typedef struct ia_sbr_pers_struct {
WORD16 *sbr_qmf_analy_states;
WORD32 *sbr_qmf_analy_states_32;
WORD16 *sbr_qmf_synth_states;
WORD32 *sbr_qmf_synth_states_32;
WORD32 **sbr_lpc_filter_states_real[MAXNRSBRCHANNELS];
WORD32 **sbr_lpc_filter_states_imag[MAXNRSBRCHANNELS];
WORD32 *ptr_sbr_overlap_buf[MAXNRSBRCHANNELS];
struct ia_sbr_dec_inst_struct str_sbr_dec_inst;
ia_transposer_settings_struct str_sbr_tran_settings;
WORD16 *sbr_smooth_gain_buf[MAXNRSBRCHANNELS];
WORD16 *sbr_smooth_noise_buf[MAXNRSBRCHANNELS];
ia_sbr_prev_frame_data_struct *pstr_prev_frame_data[MAXNRSBRCHANNELS];
} ia_sbr_pers_struct;
WORD32 ixheaacd_sbr_dec(ia_sbr_dec_struct *ptr_sbr_dec, WORD16 *ptr_time_data,
ia_sbr_header_data_struct *ptr_header_data,
ia_sbr_frame_info_data_struct *ptr_frame_data,
ia_sbr_prev_frame_data_struct *ptr_frame_data_prev,
ia_ps_dec_struct *ptr_ps_dec,
ia_sbr_qmf_filter_bank_struct *ptr_qmf_synth_bank_r,
ia_sbr_scale_fact_struct *ptr_sbr_sf_r,
FLAG apply_processing, FLAG low_pow_flag,
WORD32 *ptr_work_buf_core,
ia_sbr_tables_struct *sbr_tables_ptr,
ixheaacd_misc_tables *pstr_common_tables, WORD ch_fac,
ia_pvc_data_struct *ptr_pvc_data_str, FLAG drc_on,
WORD32 drc_sbr_factors[][64], WORD32 audio_object_type);
WORD16 ixheaacd_create_sbrdec(ixheaacd_misc_tables *pstr_common_table,
ia_sbr_channel_struct *ptr_sbr_channel,
ia_sbr_header_data_struct *ptr_header_data,
WORD16 chan, FLAG down_sample_flag,
VOID *sbr_persistent_mem_v, WORD ps_enable,
WORD audio_object_type);
#define MAX_NUM_QMF_BANDS_ESBR 128
WORD32 ixheaacd_sbr_dec_from_mps(FLOAT32 *p_mps_qmf_output, VOID *p_sbr_dec,
VOID *p_sbr_frame, VOID *p_sbr_header);
WORD32 ixheaacd_qmf_hbe_apply(ia_esbr_hbe_txposer_struct *h_hbe_txposer,
FLOAT32 qmf_buf_real[][64],
FLOAT32 qmf_buf_imag[][64], WORD32 num_columns,
FLOAT32 pv_qmf_buf_real[][64],
FLOAT32 pv_qmf_buf_imag[][64],
WORD32 pitch_in_bins);
VOID ixheaacd_sbr_env_calc(ia_sbr_frame_info_data_struct *frame_data,
FLOAT32 input_real[][64], FLOAT32 input_imag[][64],
FLOAT32 input_real1[][64], FLOAT32 input_imag1[][64],
WORD32 x_over_qmf[MAX_NUM_PATCHES],
FLOAT32 *scratch_buff, FLOAT32 *env_out);
WORD32 ixheaacd_generate_hf(FLOAT32 ptr_src_buf_real[][64],
FLOAT32 ptr_src_buf_imag[][64],
FLOAT32 ptr_ph_vocod_buf_real[][64],
FLOAT32 ptr_ph_vocod_buf_imag[][64],
FLOAT32 ptr_dst_buf_real[][64],
FLOAT32 ptr_dst_buf_imag[][64],
ia_sbr_frame_info_data_struct *ptr_frame_data,
ia_sbr_header_data_struct *ptr_header_data);
VOID ixheaacd_clr_subsamples(WORD32 *ptr_qmf_buf, WORD32 num, WORD32 size);
VOID ixheaacd_rescale_x_overlap(
ia_sbr_dec_struct *ptr_sbr_dec, ia_sbr_header_data_struct *ptr_header_data,
ia_sbr_frame_info_data_struct *ptr_frame_data,
ia_sbr_prev_frame_data_struct *ptr_frame_data_prev,
WORD32 **pp_overlap_buffer_real, FLAG low_pow_flag);
WORD32 ixheaacd_qmf_hbe_data_reinit(
ia_esbr_hbe_txposer_struct *ptr_hbe_transposer_str,
WORD16 *ptr_freq_band_tbl[MAX_FREQ_COEFFS + 1], WORD16 *ptr_num_sf_bands,
WORD32 upsamp_4_flag);
WORD32 ixheaacd_sbr_read_pvc_sce(ia_sbr_frame_info_data_struct *ptr_frame_data,
ia_bit_buf_struct *it_bit_buff,
WORD32 hbe_flag,
ia_pvc_data_struct *ptr_pvc_data,
ia_sbr_tables_struct *sbr_tables_ptr,
ia_sbr_header_data_struct *ptr_header_data);
WORD32 ixheaacd_qmf_hbe_apply(ia_esbr_hbe_txposer_struct *h_hbe_txposer,
FLOAT32 qmf_buf_real[][64],
FLOAT32 qmf_buf_imag[][64], WORD32 num_columns,
FLOAT32 pv_qmf_buf_real[][64],
FLOAT32 pv_qmf_buf_imag[][64],
WORD32 pitch_in_bins);
WORD32 ixheaacd_esbr_dec(ia_sbr_dec_struct *ptr_sbr_dec,
ia_sbr_header_data_struct *ptr_header_data,
ia_sbr_frame_info_data_struct *ptr_frame_data,
FLAG apply_processing, FLAG low_pow_flag,
ia_sbr_tables_struct *sbr_tables_ptr, WORD32 ch_fac);
VOID ixheaacd_hbe_repl_spec(WORD32 x_over_qmf[MAX_NUM_PATCHES],
FLOAT32 qmf_buf_real[][64],
FLOAT32 qmf_buf_imag[][64], WORD32 no_bins,
WORD32 max_stretch);
#endif