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libxaac/decoder/drc_src/impd_drc_interface_parser.c
Ramesh Katuri b3226ce6f8 Formatting changes 
Formatting .c and .h files using clang-format
Formatting .s files

Bug: 80493357
Test: compare object sizes
Change-Id: I38296083c9d2d566a6a2564db2e391e4b2bd43a9
2018-06-07 16:52:19 -07:00

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/******************************************************************************
*
* 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 <string.h>
#include <math.h>
#include "impd_type_def.h"
#include "impd_drc_bitbuffer.h"
#include "impd_drc_common.h"
#include "impd_drc_interface.h"
#include "impd_drc_extr_delta_coded_info.h"
#include "impd_drc_struct.h"
WORD32 impd_unidrc_interface_signature_read(
ia_bit_buf_struct* it_bit_buff,
ia_drc_uni_interface_signat_struct* drc_uni_interface_signature) {
// WORD32 err = 0
WORD32 interface_signat_data_len = 0, i, tmp;
tmp = impd_read_bits_buf(it_bit_buff, 16);
if (it_bit_buff->error) return it_bit_buff->error;
drc_uni_interface_signature->interface_signat_type = (tmp >> 8) & 0xff;
drc_uni_interface_signature->interface_signat_data_len = tmp & 0xff;
interface_signat_data_len =
drc_uni_interface_signature->interface_signat_data_len + 1;
for (i = 0; i < interface_signat_data_len; i++) {
tmp = impd_read_bits_buf(it_bit_buff, 8);
if (it_bit_buff->error) return it_bit_buff->error;
drc_uni_interface_signature->interface_signat_data[i] = (UWORD32)tmp;
}
return (0);
}
WORD32 impd_sys_interface_read(ia_bit_buf_struct* it_bit_buff,
ia_system_interface_struct* system_interface) {
// WORD32 err = 0;
WORD32 i = 0, tmp = 0;
system_interface->target_config_request_type =
impd_read_bits_buf(it_bit_buff, 2);
if (it_bit_buff->error) return it_bit_buff->error;
switch (system_interface->target_config_request_type) {
case 0:
system_interface->num_downmix_id_requests =
impd_read_bits_buf(it_bit_buff, 4);
if (it_bit_buff->error) return it_bit_buff->error;
if (system_interface->num_downmix_id_requests == 0) {
system_interface->num_downmix_id_requests = 1;
system_interface->requested_dwnmix_id[0] = 0;
break;
}
for (i = 0; i < system_interface->num_downmix_id_requests; i++) {
system_interface->requested_dwnmix_id[i] =
impd_read_bits_buf(it_bit_buff, 7);
if (it_bit_buff->error) return it_bit_buff->error;
}
break;
case 1:
system_interface->requested_target_layout =
impd_read_bits_buf(it_bit_buff, 8);
if (it_bit_buff->error) return it_bit_buff->error;
break;
case 2:
tmp = impd_read_bits_buf(it_bit_buff, 7);
if (it_bit_buff->error) return it_bit_buff->error;
system_interface->requested_target_ch_count = tmp + 1;
break;
default:
return (1);
break;
}
return (0);
}
WORD32 impd_loudness_norm_control_interface_read(
ia_bit_buf_struct* it_bit_buff,
ia_loudness_norm_ctrl_interface_struct* loudness_norm_ctrl_interface) {
// WORD32 err = 0;
WORD32 tmp = 0;
loudness_norm_ctrl_interface->loudness_normalization_on =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (loudness_norm_ctrl_interface->loudness_normalization_on == 1) {
tmp = impd_read_bits_buf(it_bit_buff, 12);
if (it_bit_buff->error) return it_bit_buff->error;
loudness_norm_ctrl_interface->target_loudness = -tmp * 0.03125f;
}
return (0);
}
WORD32 impd_loudness_norm_param_interface_read(
ia_bit_buf_struct* it_bit_buff, ia_loudness_norm_parameter_interface_struct*
loudness_norm_param_interface) {
// WORD32 err = 0;
WORD32 tmp = 0;
tmp = impd_read_bits_buf(it_bit_buff, 3);
if (it_bit_buff->error) return it_bit_buff->error;
loudness_norm_param_interface->album_mode = (tmp >> 2) & 1;
loudness_norm_param_interface->peak_limiter = (tmp >> 1) & 1;
loudness_norm_param_interface->change_loudness_deviation_max = tmp & 1;
if (loudness_norm_param_interface->change_loudness_deviation_max == 1) {
loudness_norm_param_interface->loudness_deviation_max =
impd_read_bits_buf(it_bit_buff, 6);
if (it_bit_buff->error) return it_bit_buff->error;
}
loudness_norm_param_interface->change_loudness_measur_method =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (loudness_norm_param_interface->change_loudness_measur_method == 1) {
loudness_norm_param_interface->loudness_measurement_method =
impd_read_bits_buf(it_bit_buff, 3);
if (it_bit_buff->error) return it_bit_buff->error;
}
loudness_norm_param_interface->change_loudness_measur_system =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (loudness_norm_param_interface->change_loudness_measur_system == 1) {
loudness_norm_param_interface->loudness_measurement_system =
impd_read_bits_buf(it_bit_buff, 4);
if (it_bit_buff->error) return it_bit_buff->error;
}
loudness_norm_param_interface->change_loudness_measur_pre_proc =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (loudness_norm_param_interface->change_loudness_measur_pre_proc == 1) {
loudness_norm_param_interface->loudness_measurement_pre_proc =
impd_read_bits_buf(it_bit_buff, 2);
if (it_bit_buff->error) return it_bit_buff->error;
}
loudness_norm_param_interface->change_device_cut_off_freq =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (loudness_norm_param_interface->change_device_cut_off_freq == 1) {
tmp = impd_read_bits_buf(it_bit_buff, 6);
if (it_bit_buff->error) return it_bit_buff->error;
loudness_norm_param_interface->device_cut_off_frequency =
max(min(tmp * 10, 500), 20);
}
loudness_norm_param_interface->change_loudness_norm_gain_db_max =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (loudness_norm_param_interface->change_loudness_norm_gain_db_max == 1) {
tmp = impd_read_bits_buf(it_bit_buff, 6);
if (it_bit_buff->error) return it_bit_buff->error;
if (tmp < 63) {
loudness_norm_param_interface->loudness_norm_gain_db_max = tmp * 0.5f;
} else {
loudness_norm_param_interface->loudness_norm_gain_db_max =
LOUDNESS_NORMALIZATION_GAIN_MAX_DEFAULT;
}
}
loudness_norm_param_interface->change_loudness_norm_gain_modification_db =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (loudness_norm_param_interface
->change_loudness_norm_gain_modification_db == 1) {
tmp = impd_read_bits_buf(it_bit_buff, 10);
if (it_bit_buff->error) return it_bit_buff->error;
loudness_norm_param_interface->loudness_norm_gain_modification_db =
-16 + tmp * 0.03125f;
}
loudness_norm_param_interface->change_output_peak_level_max =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (loudness_norm_param_interface->change_output_peak_level_max == 1) {
tmp = impd_read_bits_buf(it_bit_buff, 6);
if (it_bit_buff->error) return it_bit_buff->error;
loudness_norm_param_interface->output_peak_level_max = tmp * 0.5f;
}
return (0);
}
WORD32 impd_drc_interface_read(
ia_bit_buf_struct* it_bit_buff,
ia_dyn_rng_ctrl_interface_struct* drc_ctrl_interface) {
// WORD32 err = 0;
WORD32 i = 0, j = 0, tmp = 0;
drc_ctrl_interface->dynamic_range_control_on =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (drc_ctrl_interface->dynamic_range_control_on == 1) {
drc_ctrl_interface->num_drc_feature_requests =
impd_read_bits_buf(it_bit_buff, 3);
if (it_bit_buff->error) return it_bit_buff->error;
for (i = 0; i < drc_ctrl_interface->num_drc_feature_requests; i++) {
drc_ctrl_interface->drc_feature_req_type[i] =
impd_read_bits_buf(it_bit_buff, 2);
if (it_bit_buff->error) return it_bit_buff->error;
switch (drc_ctrl_interface->drc_feature_req_type[i]) {
case 0:
tmp = impd_read_bits_buf(it_bit_buff, 8);
if (it_bit_buff->error) return it_bit_buff->error;
drc_ctrl_interface->requested_num_drc_effects[i] = (tmp >> 4) & 0xf;
drc_ctrl_interface->desired_num_drc_effects_of_requested[i] =
tmp & 0xf;
for (j = 0; j < drc_ctrl_interface->requested_num_drc_effects[i];
j++) {
drc_ctrl_interface->requested_drc_effect_type[i][j] =
impd_read_bits_buf(it_bit_buff, 4);
if (it_bit_buff->error) return it_bit_buff->error;
}
break;
case 1:
tmp = impd_read_bits_buf(it_bit_buff, 3);
if (it_bit_buff->error) return it_bit_buff->error;
drc_ctrl_interface->requested_dyn_rng_measurement_type[i] =
(tmp >> 1) & 3;
drc_ctrl_interface->requested_dyn_range_is_single_val_flag[i] =
tmp & 1;
if (drc_ctrl_interface->requested_dyn_range_is_single_val_flag[i] ==
0) {
tmp = impd_read_bits_buf(it_bit_buff, 8);
if (it_bit_buff->error) return it_bit_buff->error;
if (tmp == 0)
drc_ctrl_interface->requested_dyn_range_value[i] = 0.0f;
else if (tmp <= 128)
drc_ctrl_interface->requested_dyn_range_value[i] = tmp * 0.25f;
else if (tmp <= 204)
drc_ctrl_interface->requested_dyn_range_value[i] =
0.5f * tmp - 32.0f;
else
drc_ctrl_interface->requested_dyn_range_value[i] = tmp - 134.0f;
} else {
tmp = impd_read_bits_buf(it_bit_buff, 8);
if (it_bit_buff->error) return it_bit_buff->error;
if (tmp == 0)
drc_ctrl_interface->requested_dyn_range_min_val[i] = 0.0f;
else if (tmp <= 128)
drc_ctrl_interface->requested_dyn_range_min_val[i] = tmp * 0.25f;
else if (tmp <= 204)
drc_ctrl_interface->requested_dyn_range_min_val[i] =
0.5f * tmp - 32.0f;
else
drc_ctrl_interface->requested_dyn_range_min_val[i] = tmp - 134.0f;
tmp = impd_read_bits_buf(it_bit_buff, 8);
if (it_bit_buff->error) return it_bit_buff->error;
if (tmp == 0)
drc_ctrl_interface->requested_dyn_range_max_val[i] = 0.0f;
else if (tmp <= 128)
drc_ctrl_interface->requested_dyn_range_max_val[i] = tmp * 0.25f;
else if (tmp <= 204)
drc_ctrl_interface->requested_dyn_range_max_val[i] =
0.5f * tmp - 32.0f;
else
drc_ctrl_interface->requested_dyn_range_max_val[i] = tmp - 134.0f;
}
break;
case 2:
drc_ctrl_interface->requested_drc_characteristic[i] =
impd_read_bits_buf(it_bit_buff, 7);
if (it_bit_buff->error) return it_bit_buff->error;
break;
default:
return (1);
break;
}
}
}
return (0);
}
WORD32 impd_drc_param_interface_read(
ia_bit_buf_struct* it_bit_buff,
ia_drc_parameter_interface_struct* drc_parameter_interface) {
// WORD32 err = 0;
WORD32 tmp = 0;
tmp = impd_read_bits_buf(it_bit_buff, 2);
if (it_bit_buff->error) return it_bit_buff->error;
drc_parameter_interface->change_compress = (tmp >> 1) & 1;
drc_parameter_interface->change_boost = tmp & 1;
if (drc_parameter_interface->change_compress == 1) {
tmp = impd_read_bits_buf(it_bit_buff, 8);
if (it_bit_buff->error) return it_bit_buff->error;
if (tmp < 255) {
drc_parameter_interface->compress = 1 - tmp * 0.00390625f;
} else {
drc_parameter_interface->compress = 0.f;
}
}
if (drc_parameter_interface->change_boost == 1) {
tmp = impd_read_bits_buf(it_bit_buff, 8);
if (it_bit_buff->error) return it_bit_buff->error;
if (tmp < 255) {
drc_parameter_interface->boost = 1 - tmp * 0.00390625f;
} else {
drc_parameter_interface->boost = 0.f;
}
}
drc_parameter_interface->change_drc_characteristic_target =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (drc_parameter_interface->change_drc_characteristic_target == 1) {
drc_parameter_interface->drc_characteristic_target =
impd_read_bits_buf(it_bit_buff, 8);
if (it_bit_buff->error) return it_bit_buff->error;
}
return (0);
}
static WORD32 impd_parse_loud_eq_param_interface(
ia_bit_buf_struct* it_bit_buff, ia_loudness_eq_parameter_interface_struct*
loudness_eq_parameter_interface) {
// WORD32 err = 0;
WORD32 bsSensitivity, bsPlaybackGain;
loudness_eq_parameter_interface->loudness_eq_request_flag =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (loudness_eq_parameter_interface->loudness_eq_request_flag) {
loudness_eq_parameter_interface->loudness_eq_request =
impd_read_bits_buf(it_bit_buff, 2);
if (it_bit_buff->error) return it_bit_buff->error;
}
loudness_eq_parameter_interface->sensitivity_flag =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (loudness_eq_parameter_interface->sensitivity_flag) {
bsSensitivity = impd_read_bits_buf(it_bit_buff, 7);
if (it_bit_buff->error) return it_bit_buff->error;
loudness_eq_parameter_interface->sensitivity = bsSensitivity + 23.0f;
}
loudness_eq_parameter_interface->playback_gain_flag =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (loudness_eq_parameter_interface->playback_gain_flag) {
bsPlaybackGain = impd_read_bits_buf(it_bit_buff, 7);
if (it_bit_buff->error) return it_bit_buff->error;
loudness_eq_parameter_interface->playback_gain = (FLOAT32)-bsPlaybackGain;
}
return (0);
}
WORD32
impd_unidrc_interface_extension_read(
ia_bit_buf_struct* it_bit_buff,
ia_drc_interface_struct* impd_drc_uni_interface,
ia_drc_uni_interface_ext_struct* drc_uni_interface_ext) {
WORD32 err = 0, i = 0, tmp = 0, dummy;
WORD32 uni_drc_interface_ext_type;
ia_specific_interface_extension_struct* specific_interface_ext;
uni_drc_interface_ext_type = impd_read_bits_buf(it_bit_buff, 4);
if (it_bit_buff->error) return it_bit_buff->error;
while (uni_drc_interface_ext_type != UNIDRCINTERFACEEXT_TERM) {
specific_interface_ext =
&(drc_uni_interface_ext->specific_interface_ext[i]);
specific_interface_ext->uni_drc_interface_ext_type =
uni_drc_interface_ext_type;
tmp = impd_read_bits_buf(it_bit_buff, 4);
if (it_bit_buff->error) return it_bit_buff->error;
specific_interface_ext->ext_size_bits = tmp + 4;
tmp =
impd_read_bits_buf(it_bit_buff, specific_interface_ext->ext_size_bits);
if (it_bit_buff->error) return it_bit_buff->error;
specific_interface_ext->ext_bit_size = tmp + 1;
switch (uni_drc_interface_ext_type) {
case UNIDRCINTERFACEEXT_EQ:
impd_drc_uni_interface->drc_uni_interface_ext
.loudness_eq_parameter_interface_flag =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (impd_drc_uni_interface->drc_uni_interface_ext
.loudness_eq_parameter_interface_flag) {
err = impd_parse_loud_eq_param_interface(
it_bit_buff, &(impd_drc_uni_interface->drc_uni_interface_ext
.loudness_eq_parameter_interface));
if (err) return (err);
}
impd_drc_uni_interface->drc_uni_interface_ext.eq_ctrl_interface_flag =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (impd_drc_uni_interface->drc_uni_interface_ext
.eq_ctrl_interface_flag) {
impd_drc_uni_interface->drc_uni_interface_ext.eq_ctrl_interface
.eq_set_purpose_request = impd_read_bits_buf(it_bit_buff, 16);
if (it_bit_buff->error) return it_bit_buff->error;
}
break;
default:
dummy = impd_read_bits_buf(it_bit_buff,
specific_interface_ext->ext_bit_size);
if (it_bit_buff->error) return it_bit_buff->error;
break;
}
i++;
if (i == EXT_COUNT_MAX) {
return (1);
}
uni_drc_interface_ext_type = impd_read_bits_buf(it_bit_buff, 4);
if (it_bit_buff->error) return it_bit_buff->error;
}
drc_uni_interface_ext->interface_ext_count = i;
return (0);
}
WORD32 impd_unidrc_interface_read(ia_bit_buf_struct* it_bit_buff,
ia_drc_interface_struct* uniDrcInterface) {
WORD32 err = 0;
uniDrcInterface->interface_signat_flag = impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (uniDrcInterface->interface_signat_flag == 1) {
err = impd_unidrc_interface_signature_read(
it_bit_buff, &(uniDrcInterface->drc_uni_interface_signature));
if (err) return (err);
}
uniDrcInterface->system_interface_flag = impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (uniDrcInterface->system_interface_flag == 1) {
err = impd_sys_interface_read(it_bit_buff,
&(uniDrcInterface->system_interface));
if (err) return (err);
}
uniDrcInterface->loudness_norm_ctrl_interface_flag =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (uniDrcInterface->loudness_norm_ctrl_interface_flag == 1) {
err = impd_loudness_norm_control_interface_read(
it_bit_buff, &(uniDrcInterface->loudness_norm_ctrl_interface));
if (err) return (err);
}
uniDrcInterface->loudness_norm_parameter_interface_flag =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (uniDrcInterface->loudness_norm_parameter_interface_flag == 1) {
err = impd_loudness_norm_param_interface_read(
it_bit_buff, &(uniDrcInterface->loudness_norm_param_interface));
if (err) return (err);
}
uniDrcInterface->drc_interface_flag = impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (uniDrcInterface->drc_interface_flag == 1) {
err = impd_drc_interface_read(it_bit_buff,
&(uniDrcInterface->drc_ctrl_interface));
if (err) return (err);
}
uniDrcInterface->drc_parameter_interface_flag =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (uniDrcInterface->drc_parameter_interface_flag == 1) {
err = impd_drc_param_interface_read(
it_bit_buff, &(uniDrcInterface->drc_parameter_interface));
if (err) return (err);
}
uniDrcInterface->drc_uni_interface_ext_flag =
impd_read_bits_buf(it_bit_buff, 1);
if (it_bit_buff->error) return it_bit_buff->error;
if (uniDrcInterface->drc_uni_interface_ext_flag == 1) {
err = impd_unidrc_interface_extension_read(
it_bit_buff, uniDrcInterface,
&(uniDrcInterface->drc_uni_interface_ext));
if (err) return (err);
}
return (0);
}
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