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 <stdlib.h>
22 #include <math.h>
23 #include <assert.h>
24 #include <string.h>
25 #include "impd_type_def.h"
26
27 #include "impd_drc_bitbuffer.h"
28 #include "impd_drc_common.h"
29 #include "impd_drc_interface.h"
30 #include "impd_drc_parser_interface.h"
31
32 WORD32
impd_drc_dec_interface_process(ia_bit_buf_struct * it_bit_buff,ia_drc_interface_struct * pstr_drc_interface,UWORD8 * it_bit_buf,WORD32 num_bit_stream_bits,WORD32 * num_bits_read)33 impd_drc_dec_interface_process(ia_bit_buf_struct* it_bit_buff,
34 ia_drc_interface_struct* pstr_drc_interface,
35 UWORD8* it_bit_buf, WORD32 num_bit_stream_bits,
36 WORD32* num_bits_read) {
37 WORD32 err = 0;
38
39 if (it_bit_buff != NULL && num_bit_stream_bits) {
40 it_bit_buff = impd_create_init_bit_buf(it_bit_buff, it_bit_buf,
41 num_bit_stream_bits / 8);
42
43 } else {
44 return -1;
45 }
46
47 err = impd_unidrc_interface_read(it_bit_buff, pstr_drc_interface);
48 if (err) return (err);
49
50 *num_bits_read = (it_bit_buff->size) - it_bit_buff->cnt_bits;
51
52 return err;
53 }
54
55 WORD32
impd_drc_dec_interface_add_effect_type(ia_drc_interface_struct * pstr_drc_interface,WORD32 drc_effect_type,WORD32 target_loudness,WORD32 loud_norm)56 impd_drc_dec_interface_add_effect_type(
57 ia_drc_interface_struct* pstr_drc_interface, WORD32 drc_effect_type,
58 WORD32 target_loudness, WORD32 loud_norm) {
59 WORD32 err = 0;
60 WORD32 i = 0;
61
62 if (pstr_drc_interface != NULL) {
63 pstr_drc_interface->interface_signat_flag = 0;
64 for (i = 0; i < MAX_SIGNATURE_DATA_LENGTH_PLUS_ONE * 8; i++)
65 pstr_drc_interface->drc_uni_interface_signature.interface_signat_data[i] =
66 0;
67
68 pstr_drc_interface->drc_uni_interface_signature.interface_signat_data_len =
69 0;
70
71 pstr_drc_interface->system_interface_flag = 1;
72
73 pstr_drc_interface->system_interface.target_config_request_type = 0;
74 pstr_drc_interface->system_interface.num_downmix_id_requests = 0;
75 for (i = 0; i < MAX_NUM_DOWNMIX_ID_REQUESTS; i++) {
76 pstr_drc_interface->system_interface.requested_dwnmix_id[i] = 0;
77 }
78 pstr_drc_interface->system_interface.requested_target_layout = 0;
79 pstr_drc_interface->system_interface.requested_target_ch_count = 0;
80
81 pstr_drc_interface->loudness_norm_ctrl_interface_flag = 1;
82 if (loud_norm == 1) {
83 pstr_drc_interface->loudness_norm_ctrl_interface
84 .loudness_normalization_on = 1;
85 } else {
86 pstr_drc_interface->loudness_norm_ctrl_interface
87 .loudness_normalization_on = 0;
88 }
89 pstr_drc_interface->loudness_norm_ctrl_interface.target_loudness =
90 (FLOAT32)target_loudness;
91
92 pstr_drc_interface->loudness_norm_parameter_interface_flag = 1;
93 pstr_drc_interface->loudness_norm_param_interface.album_mode = 0;
94 pstr_drc_interface->loudness_norm_param_interface.peak_limiter = 0;
95 pstr_drc_interface->loudness_norm_param_interface
96 .change_loudness_deviation_max = 1;
97 pstr_drc_interface->loudness_norm_param_interface.loudness_deviation_max =
98 63;
99 pstr_drc_interface->loudness_norm_param_interface
100 .change_loudness_measur_method = 1;
101 pstr_drc_interface->loudness_norm_param_interface
102 .loudness_measurement_method = 1;
103 pstr_drc_interface->loudness_norm_param_interface
104 .change_loudness_measur_system = 1;
105 pstr_drc_interface->loudness_norm_param_interface
106 .loudness_measurement_system = 1;
107 pstr_drc_interface->loudness_norm_param_interface
108 .change_loudness_measur_pre_proc = 0;
109 pstr_drc_interface->loudness_norm_param_interface
110 .loudness_measurement_pre_proc = 0;
111 pstr_drc_interface->loudness_norm_param_interface
112 .change_device_cut_off_freq = 1;
113 pstr_drc_interface->loudness_norm_param_interface.device_cut_off_frequency =
114 20;
115 pstr_drc_interface->loudness_norm_param_interface
116 .change_loudness_norm_gain_db_max = 1;
117 pstr_drc_interface->loudness_norm_param_interface
118 .loudness_norm_gain_db_max = 1000.0;
119 pstr_drc_interface->loudness_norm_param_interface
120 .change_loudness_norm_gain_modification_db = 1;
121 pstr_drc_interface->loudness_norm_param_interface
122 .loudness_norm_gain_modification_db = 0.0;
123 pstr_drc_interface->loudness_norm_param_interface
124 .change_output_peak_level_max = 1;
125 pstr_drc_interface->loudness_norm_param_interface.output_peak_level_max =
126 0.0;
127
128 pstr_drc_interface->drc_interface_flag = 1;
129 if (drc_effect_type == -1) {
130 pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 0;
131 pstr_drc_interface->drc_ctrl_interface.requested_drc_effect_type[0][0] =
132 0;
133 } else if (drc_effect_type == 0) {
134 pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 1;
135 pstr_drc_interface->drc_ctrl_interface.num_drc_feature_requests = 0;
136 } else {
137 pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 1;
138 pstr_drc_interface->drc_ctrl_interface.requested_drc_effect_type[0][0] =
139 drc_effect_type;
140 pstr_drc_interface->drc_ctrl_interface.num_drc_feature_requests = 3;
141 pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[0] = 0;
142 pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[1] = 1;
143 pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[2] = 2;
144 pstr_drc_interface->drc_ctrl_interface.requested_num_drc_effects[0] = 1;
145 pstr_drc_interface->drc_ctrl_interface
146 .desired_num_drc_effects_of_requested[0] = 1;
147 }
148
149 pstr_drc_interface->drc_ctrl_interface
150 .requested_dyn_rng_measurement_type[0] = 0;
151 pstr_drc_interface->drc_ctrl_interface
152 .requested_dyn_range_is_single_val_flag[0] = 0;
153 pstr_drc_interface->drc_ctrl_interface
154 .requested_dyn_range_is_single_val_flag[1] = 0;
155 pstr_drc_interface->drc_ctrl_interface.requested_dyn_range_min_val[1] =
156 3.0f;
157 pstr_drc_interface->drc_ctrl_interface.requested_dyn_range_max_val[1] =
158 10.0f;
159 pstr_drc_interface->drc_ctrl_interface.requested_drc_characteristic[2] = 3;
160
161 pstr_drc_interface->drc_parameter_interface_flag = 1;
162 pstr_drc_interface->drc_parameter_interface.change_compress = 1;
163 pstr_drc_interface->drc_parameter_interface.change_boost = 1;
164 pstr_drc_interface->drc_parameter_interface.compress = 1.0f;
165 pstr_drc_interface->drc_parameter_interface.boost = 1.0f;
166 pstr_drc_interface->drc_parameter_interface
167 .change_drc_characteristic_target = 1;
168 pstr_drc_interface->drc_parameter_interface.drc_characteristic_target = 0;
169
170 pstr_drc_interface->drc_uni_interface_ext_flag = 0;
171
172 } else {
173 return UNEXPECTED_ERROR;
174 }
175
176 return err;
177 }
178