ixheaacd_main.h revision b3226ce6f80c78946aa3190cec158fb9852272ea 
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#ifndef IXHEAACD_MAIN_H
21#define IXHEAACD_MAIN_H
22
23VOID ixheaacd_imdct_flt(FLOAT32 in_data[], FLOAT32 out_data[], WORD32 len);
24
25VOID usac_tw_imdct(FLOAT32 in_data[], FLOAT32 out_data[], WORD32 len);
26
27WORD32 ixheaacd_window_calc(FLOAT32 window[], WORD32 len, WORD32 wfun_select);
28
29VOID calc_window_ratio(FLOAT32 window[], WORD32 len, WORD32 prev_len,
30                       WORD32 wfun_select, WORD32 prev_wfun_select);
31
32WORD32 ixheaacd_tw_window_calc(FLOAT32 window[], WORD32 len,
33                               WORD32 wfun_select);
34
35typedef struct ia_usac_lpd_decoder {
36  WORD32 mode_prev;
37  float synth_prev[MAX_PITCH + SYNTH_DELAY_LMAX];
38  float xcitation_prev[MAX_PITCH + INTER_LP_FIL_ORDER + 1];
39  int pitch_prev[NUM_SUBFR_SUPERFRAME_BY2 - 1];
40  float gain_prev[NUM_SUBFR_SUPERFRAME_BY2 - 1];
41
42  float lp_flt_coeff_a_prev[2 * (ORDER + 1)];
43
44  FLOAT32 exc_prev[1 + (2 * FAC_LENGTH)];
45
46  FLOAT32 bpf_prev[FILTER_DELAY + LEN_SUBFR];
47
48  WORD32 ilspold[ORDER];
49
50  FLOAT32 fac_gain;
51  FLOAT32 fac_fd_data[FAC_LENGTH / 4];
52
53  FLOAT32 lsf_prev[ORDER];
54  FLOAT32 lspold[ORDER];
55  WORD32 lsfold_first[ORDER];
56
57  FLOAT32 gain_threshold;
58
59  WORD32 fscale;
60
61  FLOAT32 fd_synth_buf[3 * LEN_FRAME + 1 + ORDER];
62  FLOAT32 *fd_synth;
63  WORD32 bpf_active_prev;
64
65} ia_usac_lpd_decoder, *ia_usac_lpd_decoder_handle;
66
67typedef struct ia_usac_data_main_struct {
68  FLOAT32 time_sample_vector[MAX_NUM_CHANNELS][4096];
69  WORD32 input_data_ptr[MAX_NUM_CHANNELS][4096];
70  WORD32 overlap_data_ptr[MAX_NUM_CHANNELS][4096];
71  WORD32 output_data_ptr[MAX_NUM_CHANNELS][4096];
72
73  WORD32 window_shape[MAX_NUM_CHANNELS];
74  WORD32 window_shape_prev[MAX_NUM_CHANNELS];
75  WORD32 window_sequence[MAX_NUM_CHANNELS];
76  WORD32 window_sequence_last[MAX_NUM_CHANNELS];
77
78  WORD32 output_samples;
79  WORD32 sbr_ratio_idx;
80  WORD32 usac_independency_flg;
81
82  WORD32 sampling_rate_idx;
83  WORD32 audio_object_type;
84
85  WORD32 down_samp_sbr;
86  WORD32 sbr_mode;
87
88  WORD32 tw_mdct[MAX_ELEMENTS];
89  WORD32 mps_pseudo_lr[MAX_ELEMENTS];
90  WORD32 td_frame_prev[MAX_NUM_CHANNELS];
91
92  FLOAT32 warp_sum[MAX_NUM_CHANNELS][2];
93  FLOAT32 warp_cont_mem[MAX_NUM_CHANNELS][3 * 1024];
94  FLOAT32 prev_sample_pos[MAX_NUM_CHANNELS][3 * 1024];
95  FLOAT32 prev_tw_trans_len[MAX_NUM_CHANNELS][2];
96  WORD32 prev_tw_start_stop[MAX_NUM_CHANNELS][2];
97  FLOAT32 prev_warped_time_sample_vector[MAX_NUM_CHANNELS][3 * 1024];
98
99  FLOAT32 lpc_prev[MAX_NUM_CHANNELS][ORDER + 1];
100  FLOAT32 acelp_in[MAX_NUM_CHANNELS][1 + (2 * FAC_LENGTH)];
101
102  WORD32 alpha_q_re[MAX_SHORT_WINDOWS][SFB_NUM_MAX];
103  WORD32 alpha_q_im[MAX_SHORT_WINDOWS][SFB_NUM_MAX];
104  UWORD8 cplx_pred_used[MAX_SHORT_WINDOWS][SFB_NUM_MAX];
105
106  WORD32 alpha_q_re_prev[SFB_NUM_MAX];
107  WORD32 alpha_q_im_prev[SFB_NUM_MAX];
108  WORD32 dmx_re_prev[BLOCK_LEN_LONG];
109
110  VOID *sbr_scratch_mem_base;
111
112  WORD32 *coef_fix[MAX_NUM_CHANNELS];
113  FLOAT32 *coef[MAX_NUM_CHANNELS];
114  UWORD8 *ms_used[MAX_NUM_CHANNELS];
115  WORD32 *coef_save[chans];
116
117  WORD16 *factors[MAX_NUM_CHANNELS];
118  UWORD8 *group_dis[MAX_NUM_CHANNELS];
119
120  WORD32 tw_data_present[MAX_NUM_CHANNELS];
121  WORD32 *tw_ratio[MAX_NUM_CHANNELS];
122  ia_tns_frame_info_struct *pstr_tns[MAX_NUM_CHANNELS];
123
124  ia_usac_lpd_decoder_handle str_tddec[MAX_NUM_CHANNELS];
125
126  WORD32 arith_prev_n[MAX_NUM_CHANNELS];
127  WORD8 c_prev[MAX_NUM_CHANNELS][1024 / 2 + 4];
128  WORD8 c[MAX_NUM_CHANNELS][1024 / 2 + 4];
129
130  WORD32 noise_filling_config[MAX_NUM_ELEMENTS];
131  UWORD32 seed_value[MAX_NUM_CHANNELS];
132  WORD32 present_chan;
133
134  WORD32 fac_data_present[MAX_NUM_CHANNELS];
135  WORD32 fac_data[MAX_NUM_CHANNELS][FAC_LENGTH + 1];
136
137  ia_sfb_info_struct *pstr_sfb_info[MAX_NUM_CHANNELS];
138  ia_sfb_info_struct str_only_long_info;
139  ia_sfb_info_struct str_eight_short_info;
140  ia_sfb_info_struct *pstr_usac_winmap[NUM_WIN_SEQ];
141  WORD16 sfb_width_short[(1 << LEN_MAX_SFBS)];
142
143  WORD32 ccfl;
144  WORD32 len_subfrm;
145  WORD32 num_subfrm;
146
147  ia_handle_sbr_dec_inst_struct pstr_esbr_dec;
148  ia_aac_dec_sbr_bitstream_struct esbr_bit_str[2];
149
150  WORD32 x_ac_dec[1024];
151  WORD32 scratch_buffer[1024];
152
153  FLOAT32 synth_buf[1883];
154  FLOAT32 exc_buf[1453];
155  FLOAT32 lp_flt_coff[290];
156  WORD32 pitch[25];
157  FLOAT32 pitch_gain[25];
158
159  UWORD16 *huffman_code_book_scl;
160  UWORD32 *huffman_code_book_scl_index;
161
162  WORD32 *tns_coeff3_32;
163
164  WORD32 *tns_coeff4_32;
165
166  WORD32 (*tns_max_bands_tbl_usac)[16][2];
167
168  WORD16 sfb_width_long[(1 << LEN_MAX_SFBL)];
169  WORD32 usac_flag;
170
171  WORD32 arr_coef_fix[MAX_NUM_CHANNELS][(LN2 + LN2 / 8)];
172  FLOAT32 arr_coef[MAX_NUM_CHANNELS][(LN2 + LN2 / 8)];
173  WORD32 arr_coef_save[chans][(LN2 + LN2 / 8)];
174  WORD16 arr_factors[MAX_NUM_CHANNELS][MAXBANDS];
175  UWORD8 arr_group_dis[MAX_NUM_CHANNELS][NSHORT];
176  WORD32 arr_tw_ratio[MAX_NUM_CHANNELS][NUM_TW_NODES];
177  UWORD8 arr_ms_used[MAX_NUM_CHANNELS][MAXBANDS];
178  ia_usac_lpd_decoder arr_str_tddec[MAX_NUM_CHANNELS];
179  ia_tns_frame_info_struct arr_str_tns[MAX_NUM_CHANNELS];
180
181} ia_usac_data_struct;
182
183VOID ixheaacd_tns_apply(ia_usac_data_struct *usac_data, WORD32 *spec,
184                        WORD32 nbands, ia_sfb_info_struct *pstr_sfb_info,
185                        ia_tns_frame_info_struct *pstr_tns);
186
187WORD32 ixheaacd_calc_max_spectral_line_dec(WORD32 *ptr_tmp, WORD32 size);
188
189WORD32 ixheaacd_calc_max_spectral_line_armv7(WORD32 *ptr_tmp, WORD32 size);
190
191WORD32 ixheaacd_calc_max_spectral_line_armv8(WORD32 *ptr_tmp, WORD32 size);
192
193WORD32 ixheaacd_tw_buff_update(ia_usac_data_struct *usac_data, WORD32 i,
194                               ia_usac_lpd_decoder_handle st);
195
196VOID ixheaacd_fix2flt_data(ia_usac_data_struct *usac_data,
197                           ia_usac_lpd_decoder_handle st, WORD32 k);
198
199VOID ixheaacd_td_frm_dec(ia_usac_data_struct *usac_data, WORD32 k, WORD32 mod0);
200
201WORD32 ixheaacd_tw_frame_dec(ia_usac_data_struct *usac_data, WORD32 i_ch,
202                             FLOAT32 sample_pos[], FLOAT32 tw_trans_len[],
203                             WORD32 tw_start_stop[]);
204
205WORD32 ixheaacd_fd_frm_dec(ia_usac_data_struct *usac_data, WORD32 i_ch);
206
207WORD32 ixheaacd_acelp_mdct(WORD32 *ptr_in, WORD32 *ptr_out, WORD32 *preshift,
208                           WORD32 length, WORD32 *ptr_scratch);
209
210WORD32 ixheaacd_acelp_mdct_main(ia_usac_data_struct *usac_data, WORD32 *x,
211                                WORD32 *y, WORD32 l, WORD32 m,
212                                WORD32 *preshift);
213
214WORD32 ixheaacd_fr_alias_cnx_fix(WORD32 *x_in, WORD32 len_subfr, WORD32 lfac,
215                                 WORD32 *iaq, WORD32 *izir, WORD32 *ifacdec,
216                                 WORD8 *qshift1, WORD8 qshift2, WORD8 qshift3,
217                                 WORD32 *preshift, WORD32 *ptr_scratch);
218
219WORD32 ixheaacd_fwd_alias_cancel_tool(
220    ia_usac_data_struct *usac_data, ia_td_frame_data_struct *pstr_td_frame_data,
221    WORD32 fac_length, FLOAT32 *iaq, WORD32 gain);
222
223WORD32 ixheaacd_lpd_bpf_fix(ia_usac_data_struct *usac_data, WORD32 is_short,
224                            FLOAT32 out_buffer[],
225                            ia_usac_lpd_decoder_handle st);
226
227VOID ixheaacd_reset_acelp_data_fix(ia_usac_data_struct *usac_data,
228                                   ia_usac_lpd_decoder_handle st,
229                                   WORD32 *ptr_ola_buff, WORD32 last_was_short,
230                                   WORD32 tw_mdct);
231#endif
232