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
32WORD32
33impd_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
55WORD32
56impd_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