/******************************************************************************
*
* 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
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <assert.h>
#include <string.h>
#include "impd_type_def.h"
#include "impd_drc_bitbuffer.h"
#include "impd_drc_common.h"
#include "impd_drc_interface.h"
#include "impd_drc_parser_interface.h"
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) {
WORD32 err = 0;
if (it_bit_buff != NULL && num_bit_stream_bits) {
it_bit_buff = impd_create_init_bit_buf(it_bit_buff, it_bit_buf,
num_bit_stream_bits / 8);
} else {
return -1;
}
err = impd_unidrc_interface_read(it_bit_buff, pstr_drc_interface);
if (err) return (err);
*num_bits_read = (it_bit_buff->size) - it_bit_buff->cnt_bits;
return err;
}
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) {
WORD32 err = 0;
WORD32 i = 0;
if (pstr_drc_interface != NULL) {
pstr_drc_interface->interface_signat_flag = 0;
for (i = 0; i < MAX_SIGNATURE_DATA_LENGTH_PLUS_ONE * 8; i++)
pstr_drc_interface->drc_uni_interface_signature.interface_signat_data[i] =
0;
pstr_drc_interface->drc_uni_interface_signature.interface_signat_data_len =
0;
pstr_drc_interface->system_interface_flag = 1;
pstr_drc_interface->system_interface.target_config_request_type = 0;
pstr_drc_interface->system_interface.num_downmix_id_requests = 0;
for (i = 0; i < MAX_NUM_DOWNMIX_ID_REQUESTS; i++) {
pstr_drc_interface->system_interface.requested_dwnmix_id[i] = 0;
}
pstr_drc_interface->system_interface.requested_target_layout = 0;
pstr_drc_interface->system_interface.requested_target_ch_count = 0;
pstr_drc_interface->loudness_norm_ctrl_interface_flag = 1;
if (loud_norm == 1) {
pstr_drc_interface->loudness_norm_ctrl_interface
.loudness_normalization_on = 1;
} else {
pstr_drc_interface->loudness_norm_ctrl_interface
.loudness_normalization_on = 0;
}
pstr_drc_interface->loudness_norm_ctrl_interface.target_loudness =
(FLOAT32)target_loudness;
pstr_drc_interface->loudness_norm_parameter_interface_flag = 1;
pstr_drc_interface->loudness_norm_param_interface.album_mode = 0;
pstr_drc_interface->loudness_norm_param_interface.peak_limiter = 0;
pstr_drc_interface->loudness_norm_param_interface
.change_loudness_deviation_max = 1;
pstr_drc_interface->loudness_norm_param_interface.loudness_deviation_max =
63;
pstr_drc_interface->loudness_norm_param_interface
.change_loudness_measur_method = 1;
pstr_drc_interface->loudness_norm_param_interface
.loudness_measurement_method = 1;
pstr_drc_interface->loudness_norm_param_interface
.change_loudness_measur_system = 1;
pstr_drc_interface->loudness_norm_param_interface
.loudness_measurement_system = 1;
pstr_drc_interface->loudness_norm_param_interface
.change_loudness_measur_pre_proc = 0;
pstr_drc_interface->loudness_norm_param_interface
.loudness_measurement_pre_proc = 0;
pstr_drc_interface->loudness_norm_param_interface
.change_device_cut_off_freq = 1;
pstr_drc_interface->loudness_norm_param_interface.device_cut_off_frequency =
20;
pstr_drc_interface->loudness_norm_param_interface
.change_loudness_norm_gain_db_max = 1;
pstr_drc_interface->loudness_norm_param_interface
.loudness_norm_gain_db_max = 1000.0;
pstr_drc_interface->loudness_norm_param_interface
.change_loudness_norm_gain_modification_db = 1;
pstr_drc_interface->loudness_norm_param_interface
.loudness_norm_gain_modification_db = 0.0;
pstr_drc_interface->loudness_norm_param_interface
.change_output_peak_level_max = 1;
pstr_drc_interface->loudness_norm_param_interface.output_peak_level_max =
0.0;
pstr_drc_interface->drc_interface_flag = 1;
if (drc_effect_type == -1) {
pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 0;
pstr_drc_interface->drc_ctrl_interface.requested_drc_effect_type[0][0] =
0;
} else if (drc_effect_type == 0) {
pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 1;
pstr_drc_interface->drc_ctrl_interface.num_drc_feature_requests = 0;
} else {
pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on = 1;
pstr_drc_interface->drc_ctrl_interface.requested_drc_effect_type[0][0] =
drc_effect_type;
pstr_drc_interface->drc_ctrl_interface.num_drc_feature_requests = 3;
pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[0] = 0;
pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[1] = 1;
pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[2] = 2;
pstr_drc_interface->drc_ctrl_interface.requested_num_drc_effects[0] = 1;
pstr_drc_interface->drc_ctrl_interface
.desired_num_drc_effects_of_requested[0] = 1;
}
pstr_drc_interface->drc_ctrl_interface
.requested_dyn_rng_measurement_type[0] = 0;
pstr_drc_interface->drc_ctrl_interface
.requested_dyn_range_is_single_val_flag[0] = 0;
pstr_drc_interface->drc_ctrl_interface
.requested_dyn_range_is_single_val_flag[1] = 0;
pstr_drc_interface->drc_ctrl_interface.requested_dyn_range_min_val[1] =
3.0f;
pstr_drc_interface->drc_ctrl_interface.requested_dyn_range_max_val[1] =
10.0f;
pstr_drc_interface->drc_ctrl_interface.requested_drc_characteristic[2] = 3;
pstr_drc_interface->drc_parameter_interface_flag = 1;
pstr_drc_interface->drc_parameter_interface.change_compress = 1;
pstr_drc_interface->drc_parameter_interface.change_boost = 1;
pstr_drc_interface->drc_parameter_interface.compress = 1.0f;
pstr_drc_interface->drc_parameter_interface.boost = 1.0f;
pstr_drc_interface->drc_parameter_interface
.change_drc_characteristic_target = 1;
pstr_drc_interface->drc_parameter_interface.drc_characteristic_target = 0;
pstr_drc_interface->drc_uni_interface_ext_flag = 0;
} else {
return UNEXPECTED_ERROR;
}
return err;
}