1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
|
/******************************************************************************
* *
* 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
|
