1 /******************************************************************************
2  *                                                                            *
3  * Copyright (C) 2018 The Android Open Source Project
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at:
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  *****************************************************************************
18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19 */
20 #include <stdio.h>
21 #include <string.h>
22 #include "ixheaacd_sbr_common.h"
23 #include <ixheaacd_type_def.h>
24 
25 #include "ixheaacd_constants.h"
26 #include <ixheaacd_basic_ops32.h>
27 #include <ixheaacd_basic_ops16.h>
28 #include <ixheaacd_basic_ops40.h>
29 #include "ixheaacd_basic_ops.h"
30 
31 #include <ixheaacd_basic_op.h>
32 #include "ixheaacd_intrinsics.h"
33 #include "ixheaacd_common_rom.h"
34 #include "ixheaacd_sbrdecsettings.h"
35 #include "ixheaacd_bitbuffer.h"
36 #include "ixheaacd_defines.h"
37 
38 #include "ixheaacd_pns.h"
39 
40 #include <ixheaacd_aac_rom.h>
41 #include "ixheaacd_aac_imdct.h"
42 #include "ixheaacd_pulsedata.h"
43 
44 #include "ixheaacd_drc_data_struct.h"
45 #include "ixheaacd_channelinfo.h"
46 #include "ixheaacd_drc_dec.h"
47 
48 #include "ixheaacd_sbrdecoder.h"
49 #include "ixheaacd_tns.h"
50 #include "ixheaacd_sbr_scale.h"
51 #include "ixheaacd_lpp_tran.h"
52 #include "ixheaacd_env_extr_part.h"
53 #include <ixheaacd_sbr_rom.h>
54 #include "ixheaacd_block.h"
55 #include "ixheaacd_hybrid.h"
56 #include "ixheaacd_ps_dec.h"
57 #include "ixheaacd_env_extr.h"
58 #include "ixheaacd_basic_funcs.h"
59 #include "ixheaacd_env_calc.h"
60 
61 WORD32 (*ixheaacd_fix_div)(WORD32, WORD32) = &ixheaacd_fix_div_armv7;
62 
63 VOID(*ixheaacd_covariance_matrix_calc)
64 (WORD32 *, ixheaacd_lpp_trans_cov_matrix *,
65  WORD32) = &ixheaacd_covariance_matrix_calc_armv7;
66 
67 VOID(*ixheaacd_covariance_matrix_calc_2)
68 (ixheaacd_lpp_trans_cov_matrix *, WORD32 *, WORD32,
69  WORD16) = &ixheaacd_covariance_matrix_calc_2_armv7;
70 
71 VOID(*ixheaacd_over_lap_add1)
72 (WORD32 *, WORD32 *, WORD16 *, const WORD16 *, WORD16, WORD16,
73  WORD16) = &ixheaacd_over_lap_add1_dec;
74 
75 VOID(*ixheaacd_over_lap_add2)
76 (WORD32 *, WORD32 *, WORD32 *, const WORD16 *, WORD16, WORD16,
77  WORD16) = &ixheaacd_over_lap_add2_dec;
78 
79 VOID(*ixheaacd_decorr_filter2)
80 (ia_ps_dec_struct *ptr_ps_dec, WORD32 *p_buf_left_real, WORD32 *p_buf_left_imag,
81  WORD32 *p_buf_right_real, WORD32 *p_buf_right_imag,
82  ia_ps_tables_struct *ps_tables_ptr,
83  WORD16 *transient_ratio) = &ixheaacd_decorr_filter2_armv7;
84 
85 VOID(*ixheaacd_decorr_filter1)
86 (ia_ps_dec_struct *ptr_ps_dec, ia_ps_tables_struct *ps_tables_ptr,
87  WORD16 *transient_ratio) = &ixheaacd_decorr_filter1_armv7;
88 
89 WORD32(*ixheaacd_divide16_pos)
90 (WORD32 op1, WORD32 op2) = &ixheaacd_divide16_pos_armv7;
91 
92 VOID(*ixheaacd_decorrelation)
93 (ia_ps_dec_struct *ptr_ps_dec, WORD32 *p_buf_left_real, WORD32 *p_buf_left_imag,
94  WORD32 *p_buf_right_real, WORD32 *p_buf_right_imag,
95  ia_ps_tables_struct *ps_tables_ptr) = &ixheaacd_decorrelation_armv7;
96 
97 VOID(*ixheaacd_apply_rot)
98 (ia_ps_dec_struct *ptr_ps_dec, WORD32 *p_qmf_left_re, WORD32 *p_qmf_left_im,
99  WORD32 *p_qmf_right_re, WORD32 *p_qmf_right_im,
100  ia_sbr_tables_struct *sbr_tables_ptr,
101  const WORD16 *ptr_res) = &ixheaacd_apply_rot_armv7;
102 
103 VOID(*ixheaacd_conv_ergtoamplitudelp)
104 (WORD32 bands, WORD16 noise_e, WORD16 *nrg_sine, WORD16 *nrg_gain,
105  WORD16 *noise_level_mant,
106  WORD16 *sqrt_table) = &ixheaacd_conv_ergtoamplitudelp_armv7;
107 
108 VOID(*ixheaacd_conv_ergtoamplitude)
109 (WORD32 bands, WORD16 noise_e, WORD16 *nrg_sine, WORD16 *nrg_gain,
110  WORD16 *noise_level_mant,
111  WORD16 *sqrt_table) = &ixheaacd_conv_ergtoamplitude_armv7;
112 
113 VOID(*ixheaacd_adjust_scale)
114 (WORD32 **re, WORD32 **im, WORD32 sub_band_start, WORD32 sub_band_end,
115  WORD32 start_pos, WORD32 next_pos, WORD32 shift,
116  FLAG low_pow_flag) = &ixheaacd_adjust_scale_armv7;
117 
118 WORD16(*ixheaacd_ixheaacd_expsubbandsamples)
119 (WORD32 **re, WORD32 **im, WORD32 sub_band_start, WORD32 sub_band_end,
120  WORD32 start_pos, WORD32 next_pos,
121  FLAG low_pow_flag) = &ixheaacd_expsubbandsamples_armv7;
122 
123 VOID(*ixheaacd_enery_calc_per_subband)
124 (WORD32 start_pos, WORD32 next_pos, WORD32 sub_band_start, WORD32 sub_band_end,
125  WORD32 frame_exp, WORD16 *nrg_est_mant, FLAG low_pow_flag,
126  ia_sbr_tables_struct *ptr_sbr_tables,
127  WORD32 *ptr_qmf_matrix) = &ixheaacd_enery_calc_per_subband_dec;
128 
129 VOID(*ixheaacd_harm_idx_zerotwolp)
130 (WORD32 *ptr_real_buf, WORD16 *ptr_gain_buf, WORD32 scale_change,
131  WORD16 *ptr_sine_level_buf, const WORD32 *ptr_rand_ph,
132  WORD16 *noise_level_mant, WORD32 num_sub_bands, FLAG noise_absc_flag,
133  WORD32 harm_index) = &ixheaacd_harm_idx_zerotwolp_armv7;
134 
135 VOID(*ixheaacd_tns_ar_filter_fixed)
136 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD32 *lpc, WORD32 order,
137  WORD32 shift_value,
138  WORD scale_spec) = &ixheaacd_tns_ar_filter_fixed_non_neon_armv7;
139 
140 VOID(*ixheaacd_tns_ar_filter)
141 (WORD32 *spectrum, WORD32 size, WORD32 inc, WORD16 *lpc, WORD32 order,
142  WORD32 shift_value, WORD scale_spec,
143  WORD32 *ptr_filter_state) = &ixheaacd_tns_ar_filter_armv7;
144 
145 VOID(*ixheaacd_tns_parcor_lpc_convert)
146 (WORD16 *parcor, WORD16 *lpc, WORD16 *scale,
147  WORD order) = &ixheaacd_tns_parcor_lpc_convert_armv7;
148 
149 WORD32(*ixheaacd_calc_max_spectral_line)
150 (WORD32 *ptr_tmp, WORD32 size) = &ixheaacd_calc_max_spectral_line_dec;
151 
152 VOID(*ixheaacd_post_twiddle)
153 (WORD32 out_ptr[], WORD32 spec_data[],
154  ia_aac_dec_imdct_tables_struct *ptr_imdct_tables,
155  WORD npoints) = &ixheaacd_post_twiddle_dec;
156 
157 VOID(*ixheaacd_post_twid_overlap_add)
158 (WORD16 pcm_out[], WORD32 spec_data[],
159  ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints,
160  WORD32 *ptr_overlap_buf, WORD16 q_shift, const WORD16 *window,
161  WORD16 ch_fac) = &ixheaacd_post_twid_overlap_add_dec;
162 
163 VOID(*ixheaacd_neg_shift_spec)
164 (WORD32 *coef, WORD16 *out, WORD16 q_shift,
165  WORD16 ch_fac) = &ixheaacd_neg_shift_spec_dec;
166 
167 VOID(*ixheaacd_spec_to_overlapbuf)
168 (WORD32 *ptr_overlap_buf, WORD32 *ptr_spec_coeff, WORD32 q_shift,
169  WORD32 size) = &ixheaacd_spec_to_overlapbuf_armv7;
170 
171 VOID(*ixheaacd_overlap_buf_out)
172 (WORD16 *out_samples, WORD32 *ptr_overlap_buf, WORD32 size,
173  const WORD16 ch_fac) = &ixheaacd_overlap_buf_out_armv7;
174 
175 VOID(*ixheaacd_overlap_out_copy)
176 (WORD16 *out_samples, WORD32 *ptr_overlap_buf, WORD32 *ptr_overlap_buf1,
177  const WORD16 ch_fac) = &ixheaacd_overlap_out_copy_armv7;
178 
179 VOID(*ixheaacd_pretwiddle_compute)
180 (WORD32 *spec_data1, WORD32 *spec_data2, WORD32 *out_ptr,
181  ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD npoints4,
182  WORD32 neg_expo) = &ixheaacd_pretwiddle_compute_dec;
183 
184 VOID(*ixheaacd_imdct_using_fft)
185 (ia_aac_dec_imdct_tables_struct *ptr_imdct_tables, WORD32 npoints,
186  WORD32 *ptr_x, WORD32 *ptr_y) = &ixheaacd_imdct_using_fft_dec;
187