libxaac/decoder/drc_src/impd_drc_interface_decoder.c

/******************************************************************************
 *
 * 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;
}