220 lines
		
	
	
		
			9.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			220 lines
		
	
	
		
			9.4 KiB
		
	
	
	
		
			C
		
	
	
	
| /******************************************************************************
 | |
|  *                                                                            *
 | |
|  * 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_QMF_DEC_H
 | |
| #define IXHEAACD_QMF_DEC_H
 | |
| 
 | |
| typedef struct {
 | |
|   WORD32 no_channels;
 | |
|   const WORD16 *analy_win_coeff;
 | |
|   const WORD16 *p_filter;
 | |
|   const WORD16 *cos_twiddle;
 | |
|   const WORD16 *sin_twiddle;
 | |
|   const WORD16 *alt_sin_twiddle;
 | |
|   const WORD16 *t_cos;
 | |
|   const WORD16 *t_sin;
 | |
| 
 | |
|   WORD16 *anal_filter_states;
 | |
|   WORD16 *filter_states;
 | |
|   WORD16 num_time_slots;
 | |
| 
 | |
|   WORD16 lsb;
 | |
|   WORD16 usb;
 | |
| 
 | |
|   WORD16 qmf_filter_state_size;
 | |
|   WORD16 *core_samples_buffer;
 | |
|   WORD16 ana_offset;
 | |
|   WORD16 *filter_pos;
 | |
|   WORD16 *dummy_0;
 | |
|   WORD16 ixheaacd_drc_offset;
 | |
|   WORD16 *filter_pos_syn;
 | |
|   WORD16 *dummy_1;
 | |
| 
 | |
|   WORD32 *analy_win_coeff_32;
 | |
|   const WORD32 *p_filter_32;
 | |
|   const WORD32 *esbr_cos_twiddle;
 | |
|   const WORD32 *esbr_alt_sin_twiddle;
 | |
|   const WORD32 *esbr_t_cos;
 | |
|   WORD32 *anal_filter_states_32;
 | |
|   WORD32 *state_new_samples_pos_low_32;
 | |
|   WORD32 *filter_states_32;
 | |
|   WORD32 *filter_pos_32;
 | |
|   WORD32 *filter_pos_syn_32;
 | |
| 
 | |
|   WORD16 *fp1_anal;
 | |
|   WORD16 *fp2_anal;
 | |
|   WORD16 *filter_2;
 | |
| 
 | |
|   WORD16 *fp1_syn;
 | |
|   WORD16 *fp2_syn;
 | |
|   WORD16 sixty4;
 | |
| 
 | |
| } ia_sbr_qmf_filter_bank_struct;
 | |
| 
 | |
| VOID ixheaacd_cplx_anal_qmffilt(const WORD16 *time_inp,
 | |
|                                 ia_sbr_scale_fact_struct *sbr_scale_factor,
 | |
|                                 WORD32 **qmf_real, WORD32 **qmf_imag,
 | |
|                                 ia_sbr_qmf_filter_bank_struct *qmf_bank,
 | |
|                                 ia_qmf_dec_tables_struct *qmf_dec_tables_ptr,
 | |
|                                 WORD ch_fac, WORD32 low_pow_flag,
 | |
|                                 WORD audio_object_type);
 | |
| 
 | |
| VOID ixheaacd_cplx_synt_qmffilt(
 | |
|     WORD32 **qmf_real, WORD32 **qmf_im, WORD32 split_slot,
 | |
|     ia_sbr_scale_fact_struct *sbr_scale_factor, WORD16 *time_out,
 | |
|     ia_sbr_qmf_filter_bank_struct *qmf_bank, ia_ps_dec_struct *ptr_ps_dec,
 | |
|     FLAG active, FLAG low_pow_flag, ia_sbr_tables_struct *sbr_tables_ptr,
 | |
|     ixheaacd_misc_tables *pstr_common_tables, WORD ch_fac, FLAG drc_on,
 | |
|     WORD32 drc_sbr_factors[][64], WORD32 audio_object_type);
 | |
| 
 | |
| VOID ixheaacd_esbr_qmfanal32_winadd(WORD32 *inp1, WORD32 *inp2,
 | |
|                                     WORD32 *tmp_qmf_1, WORD32 *tmp_qmf_2,
 | |
|                                     WORD32 *out, WORD32 num_band);
 | |
| 
 | |
| VOID ixheaacd_esbr_fwd_modulation(const WORD32 *time_in, WORD32 *r_subband,
 | |
|                                   WORD32 *i_subband,
 | |
|                                   ia_sbr_qmf_filter_bank_struct *qmf_bank,
 | |
|                                   ia_qmf_dec_tables_struct *qmf_dec_tables_ptr);
 | |
| 
 | |
| VOID ixheaacd_esbr_inv_modulation(WORD32 *qmf_real,
 | |
|                                   ia_sbr_qmf_filter_bank_struct *syn_qmf,
 | |
|                                   ia_qmf_dec_tables_struct *qmf_dec_tables_ptr);
 | |
| 
 | |
| VOID ixheaacd_shiftrountine_with_rnd_hq(WORD32 *qmf_real, WORD32 *qmf_imag,
 | |
|                                         WORD32 *filter_states, WORD32 len,
 | |
|                                         WORD32 shift);
 | |
| 
 | |
| VOID ixheaacd_esbr_qmfsyn64_winadd(WORD32 *tmp1, WORD32 *tmp2, WORD32 *tmp3,
 | |
|                                    WORD32 *sample_buffer, WORD ch_fac);
 | |
| 
 | |
| VOID ixheaacd_sbr_qmfanal32_winadds(WORD16 *fp1, WORD16 *fp2, WORD16 *filter_1,
 | |
|                                     WORD16 *filter_2, WORD32 *analysis_buffer,
 | |
|                                     WORD16 *filter_states,
 | |
|                                     const WORD16 *time_sample_buf,
 | |
|                                     WORD32 ch_fac);
 | |
| 
 | |
| VOID ixheaacd_sbr_qmfanal32_winadds_eld(WORD16 *fp1, WORD16 *fp2,
 | |
|                                         WORD16 *filter_1, WORD16 *filter_2,
 | |
|                                         WORD32 *analysis_buffer,
 | |
|                                         WORD16 *filter_states,
 | |
|                                         const WORD16 *time_sample_buf,
 | |
|                                         WORD32 ch_fac);
 | |
| 
 | |
| VOID ixheaacd_fwd_modulation(const WORD32 *p_time_in1, WORD32 *real_subband,
 | |
|                              WORD32 *imag_subband,
 | |
|                              ia_sbr_qmf_filter_bank_struct *qmf_bank,
 | |
|                              ia_qmf_dec_tables_struct *qmf_dec_tables_ptr);
 | |
| VOID ixheaacd_dct3_32(WORD32 *input, WORD32 *output,
 | |
|                       const WORD16 *main_twidle_fwd, const WORD16 *post_tbl,
 | |
|                       const WORD16 *w_16, const WORD32 *p_table);
 | |
| 
 | |
| VOID ixheaacd_dec_DCT2_64_asm(WORD32 *dct_in, WORD32 *ptime_out, WORD32 *w1024,
 | |
|                               UWORD8 *dig_rev_table2_128, WORD16 *post_fft_tbl,
 | |
|                               WORD16 *dct23_tw, WORD16 *filter_states);
 | |
| VOID ixheaacd_cos_sin_mod(WORD32 *subband,
 | |
|                           ia_sbr_qmf_filter_bank_struct *qmf_bank,
 | |
|                           WORD16 *p_twiddle, WORD32 *p_dig_rev_tbl);
 | |
| VOID ixheaacd_shiftrountine(WORD32 *qmf_real, WORD32 *qmf_imag, WORD32 len,
 | |
|                             WORD32 common_shift);
 | |
| VOID ixheaacd_shiftrountine_with_rnd(WORD32 *qmf_real, WORD32 *qmf_imag,
 | |
|                                      WORD16 *filter_states, WORD32 len,
 | |
|                                      WORD32 shift);
 | |
| 
 | |
| VOID ixheaacd_radix4bfly(const WORD16 *w, WORD32 *x, WORD32 npoints,
 | |
|                          WORD32 ch_fac);
 | |
| 
 | |
| VOID ixheaacd_postradixcompute4(WORD32 *ptr_y, WORD32 *ptr_x,
 | |
|                                 const WORD32 *p_dig_rev_tbl, WORD32 npoints);
 | |
| 
 | |
| VOID ixheaacd_postradixcompute2(WORD32 *ptr_y, WORD32 *ptr_x,
 | |
|                                 const WORD32 *p_dig_rev_tbl, WORD32 npoints);
 | |
| 
 | |
| VOID ixheaacd_shiftrountine_with_rnd_eld(WORD32 *qmf_real, WORD32 *qmf_imag,
 | |
|                                          WORD16 *filter_states, WORD32 len,
 | |
|                                          WORD32 shift);
 | |
| 
 | |
| void ixheaacd_sbr_imdct_using_fft(const WORD32 *ptr_w, WORD32 npoints,
 | |
|                                   WORD32 *ptr_x, WORD32 *ptr_y,
 | |
|                                   UWORD8 *bit_rev_1024, UWORD8 *bit_rev_512,
 | |
|                                   UWORD8 *bit_rev_128, UWORD8 *bit_rev_32);
 | |
| 
 | |
| VOID ixheaacd_esbr_cos_sin_mod_loop1(WORD32 *subband, WORD32 M,
 | |
|                                      const WORD32 *p_sin_cos,
 | |
|                                      WORD32 subband_tmp[]);
 | |
| 
 | |
| VOID ixheaacd_esbr_cos_sin_mod_loop2(WORD32 *subband, const WORD32 *p_sin,
 | |
|                                      WORD32 M);
 | |
| 
 | |
| VOID ixheaacd_esbr_radix4bfly(const WORD32 *p_twiddle, WORD32 subband_tmp[],
 | |
|                               WORD32 a, WORD32 npoint);
 | |
| 
 | |
| VOID ixheaacd_radix4bfly(const WORD16 *w, WORD32 *x, WORD32 npoints,
 | |
|                          WORD32 ch_fac);
 | |
| 
 | |
| VOID ixheaacd_postradixcompute4(WORD32 *ptr_y, WORD32 *ptr_x,
 | |
|                                 const WORD32 *p_dig_rev_tbl, WORD32 npoints);
 | |
| 
 | |
| VOID ixheaacd_postradixcompute2(WORD32 *ptr_y, WORD32 *ptr_x,
 | |
|                                 const WORD32 *p_dig_rev_tbl, WORD32 npoints);
 | |
| 
 | |
| VOID ixheaacd_cos_sin_mod_loop1(WORD32 *subband, WORD32 M,
 | |
|                                 const WORD16 *p_sin_cos, WORD32 subband_tmp[]);
 | |
| 
 | |
| VOID ixheaacd_cos_sin_mod_loop2(WORD32 *subband, const WORD16 *p_sin, WORD32 M);
 | |
| 
 | |
| VOID ixheaacd_sbr_qmfsyn64_winadd(WORD16 *tmp1, WORD16 *tmp2, WORD16 *inp1,
 | |
|                                   WORD16 *sample_buffer, FLAG shift,
 | |
|                                   WORD32 ch_fac);
 | |
| 
 | |
| VOID ixheaacd_esbr_cos_sin_mod(WORD32 *subband,
 | |
|                                ia_sbr_qmf_filter_bank_struct *qmf_bank,
 | |
|                                WORD32 *p_twiddle, WORD32 *p_dig_rev_tbl);
 | |
| 
 | |
| VOID ixheaacd_inv_modulation_lp(WORD32 *qmf_real, WORD16 *filter_states,
 | |
|                                 ia_sbr_qmf_filter_bank_struct *syn_qmf,
 | |
|                                 ia_qmf_dec_tables_struct *qmf_dec_tables_ptr);
 | |
| 
 | |
| VOID ixheaacd_sbr_pre_twiddle(WORD32 *p_xre, WORD32 *p_xim, WORD16 *p_twiddles);
 | |
| 
 | |
| VOID ixheaacd_inv_emodulation(WORD32 *qmf_real,
 | |
|                               ia_sbr_qmf_filter_bank_struct *syn_qmf,
 | |
|                               ia_qmf_dec_tables_struct *qmf_dec_tables_ptr);
 | |
| 
 | |
| VOID ixheaacd_pretwdct2(WORD32 *inp, WORD32 *out_fwd);
 | |
| 
 | |
| VOID ixheaacd_sbr_qmfanal32_winadd_eld(WORD16 *inp1, WORD16 *inp2,
 | |
|                                        WORD16 *p_qmf1, WORD16 *p_qmf2,
 | |
|                                        WORD32 *p_out);
 | |
| 
 | |
| VOID ixheaacd_dct2_32(WORD32 *inp, WORD32 *out,
 | |
|                       ia_qmf_dec_tables_struct *qmf_dec_tables_ptr,
 | |
|                       WORD16 *filter_states);
 | |
| 
 | |
| VOID ixheaacd_inv_modulation_lp(WORD32 *qmf_real, WORD16 *filter_states,
 | |
|                                 ia_sbr_qmf_filter_bank_struct *syn_qmf,
 | |
|                                 ia_qmf_dec_tables_struct *qmf_dec_tables_ptr);
 | |
| 
 | |
| VOID ixheaacd_fftposttw(WORD32 *out,
 | |
|                         ia_qmf_dec_tables_struct *qmf_dec_tables_ptr);
 | |
| 
 | |
| VOID ixheaacd_posttwdct2(WORD32 *inp, WORD16 *out_fwd,
 | |
|                          ia_qmf_dec_tables_struct *qmf_dec_tables_ptr);
 | |
| 
 | |
| #endif
 |