/******************************************************************************

 *                                                                            *

 * Copyright (C) 2023 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

 */

/*****************************************************************************/

/* File includes                                                             */

/*****************************************************************************/

#include <string.h>

#include <stdio.h>

#include <stdlib.h>

#include <stdint.h>

#include <fuzzer/FuzzedDataProvider.h>

extern "C" {

#include "ixheaac_type_def.h"

#include "impd_drc_common_enc.h"

#include "impd_drc_uni_drc.h"

#include "impd_drc_api.h"

#include "ixheaace_api.h"

#include "ixheaace_loudness_measurement.h"

}

static constexpr WORD32 k_sample_rates[] = {7350,  8000,  11025, 12000, 16000, 22050, 24000,

                                            32000, 44100, 48000, 64000, 88200, 96000};

static constexpr WORD16 k_frame_length[] = {480, 512, 768, 960, 1024};

pVOID malloc_global(UWORD32 size, UWORD32 alignment) {

  pVOID ptr = NULL;

  if (posix_memalign((VOID **)&ptr, alignment, size)) {

    ptr = NULL;

  }

  return ptr;

}

VOID free_global(pVOID ptr) { free(ptr); }

static VOID ixheaace_read_drc_config_params(

    ia_drc_enc_params_struct *pstr_enc_params, ia_drc_uni_drc_config_struct *pstr_uni_drc_config,

    ia_drc_loudness_info_set_struct *pstr_enc_loudness_info_set,

    ia_drc_uni_drc_gain_ext_struct *pstr_enc_gain_extension, FuzzedDataProvider *fuzzed_data,

    WORD32 in_ch) {

  WORD32 n, g, s, m, ch, p;

  WORD32 gain_set_channels;

  pstr_enc_params->gain_sequence_present = fuzzed_data->ConsumeBool();

  pstr_enc_params->delay_mode = fuzzed_data->ConsumeBool();

  pstr_uni_drc_config->sample_rate_present = fuzzed_data->ConsumeBool();

  pstr_uni_drc_config->str_drc_coefficients_uni_drc->drc_frame_size_present =

      fuzzed_data->ConsumeBool();

  pstr_uni_drc_config->loudness_info_set_present = fuzzed_data->ConsumeBool();

  pstr_uni_drc_config->drc_instructions_uni_drc_count =

      fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_DRC_INSTRUCTIONS_COUNT);

  for (n = 0; n < pstr_uni_drc_config->drc_instructions_uni_drc_count; n++) {

    ia_drc_instructions_uni_drc *pstr_drc_instructions_uni_drc =

        &pstr_uni_drc_config->str_drc_instructions_uni_drc[n];

    pstr_drc_instructions_uni_drc->drc_set_id = fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_drc_instructions_uni_drc->downmix_id = fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_drc_instructions_uni_drc->additional_downmix_id_present = fuzzed_data->ConsumeBool();

    pstr_drc_instructions_uni_drc->additional_downmix_id_count =

        fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_drc_instructions_uni_drc->drc_location = fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_drc_instructions_uni_drc->depends_on_drc_set_present = fuzzed_data->ConsumeBool();

    pstr_drc_instructions_uni_drc->depends_on_drc_set = fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_drc_instructions_uni_drc->no_independent_use = fuzzed_data->ConsumeBool();

    pstr_drc_instructions_uni_drc->drc_set_effect = fuzzed_data->ConsumeIntegral<WORD16>();

    pstr_drc_instructions_uni_drc->drc_set_target_loudness_present = fuzzed_data->ConsumeBool();

    pstr_drc_instructions_uni_drc->drc_set_target_loudness_value_upper =

        fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_drc_instructions_uni_drc->drc_set_target_loudness_value_lower_present =

        fuzzed_data->ConsumeBool();

    pstr_drc_instructions_uni_drc->drc_set_target_loudness_value_lower =

        fuzzed_data->ConsumeIntegral<WORD8>();

    gain_set_channels = fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_CHANNEL_COUNT);

    for (ch = 0; ch < gain_set_channels; ch++) {

      pstr_drc_instructions_uni_drc->gain_set_index[ch] = fuzzed_data->ConsumeIntegral<WORD8>();

    }

    for (; ch < MAX_CHANNEL_COUNT; ch++) {

      if (gain_set_channels > 0) {

        pstr_drc_instructions_uni_drc->gain_set_index[ch] =

            pstr_drc_instructions_uni_drc->gain_set_index[gain_set_channels - 1];

      } else {

        pstr_drc_instructions_uni_drc->gain_set_index[ch] = 0;

      }

    }

    pstr_drc_instructions_uni_drc->num_drc_channel_groups =

        fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_CHANNEL_GROUP_COUNT);

    for (g = 0; g < pstr_drc_instructions_uni_drc->num_drc_channel_groups; g++) {

      pstr_drc_instructions_uni_drc->str_gain_modifiers[g].gain_scaling_present[0] =

          fuzzed_data->ConsumeBool();

      pstr_drc_instructions_uni_drc->str_gain_modifiers[g].attenuation_scaling[0] =

          fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

      pstr_drc_instructions_uni_drc->str_gain_modifiers[g].amplification_scaling[0] =

          fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

      pstr_drc_instructions_uni_drc->str_gain_modifiers[g].gain_offset_present[0] =

          fuzzed_data->ConsumeBool();

      pstr_drc_instructions_uni_drc->str_gain_modifiers[g].gain_offset[0] =

          fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

    }

    pstr_drc_instructions_uni_drc->limiter_peak_target_present = fuzzed_data->ConsumeBool();

    pstr_drc_instructions_uni_drc->limiter_peak_target =

        fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

    pstr_drc_instructions_uni_drc->drc_instructions_type = fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_drc_instructions_uni_drc->mae_group_id = fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_drc_instructions_uni_drc->mae_group_preset_id = fuzzed_data->ConsumeIntegral<WORD8>();

  }

  pstr_uni_drc_config->drc_coefficients_uni_drc_count =

      fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_DRC_COEFF_COUNT);

  for (n = 0; n < pstr_uni_drc_config->drc_coefficients_uni_drc_count; n++) {

    ia_drc_coefficients_uni_drc_struct *pstr_drc_coefficients_uni_drc =

        &pstr_uni_drc_config->str_drc_coefficients_uni_drc[n];

    pstr_drc_coefficients_uni_drc->drc_location = fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_drc_coefficients_uni_drc->gain_set_count =

        fuzzed_data->ConsumeIntegralInRange<WORD8>(0, GAIN_SET_COUNT_MAX);

    for (s = 0; s < pstr_drc_coefficients_uni_drc->gain_set_count; s++) {

      pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_coding_profile =

          fuzzed_data->ConsumeIntegral<WORD8>();

      pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_interpolation_type =

          fuzzed_data->ConsumeBool();

      pstr_drc_coefficients_uni_drc->str_gain_set_params[s].full_frame =

          fuzzed_data->ConsumeBool();

      pstr_drc_coefficients_uni_drc->str_gain_set_params[s].time_alignment =

          fuzzed_data->ConsumeBool();

      pstr_drc_coefficients_uni_drc->str_gain_set_params[s].time_delta_min_present =

          fuzzed_data->ConsumeBool();

      pstr_drc_coefficients_uni_drc->str_gain_set_params[s].band_count =

          fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_BAND_COUNT);

      if (pstr_drc_coefficients_uni_drc->str_gain_set_params[s].band_count == 1) {

        pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[0].nb_points =

            fuzzed_data->ConsumeIntegralInRange<WORD16>(0, MAX_GAIN_POINTS);

        for (p = 0;

             p < pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[0].nb_points;

             p++) {

          pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[0].gain_points[p].x =

              fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

          pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[0].gain_points[p].y =

              fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

        }

        pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[0].width =

            fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

        pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[0].attack =

            fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

        pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[0].decay =

            fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

        pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[0].drc_characteristic =

            fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_drc_coefficients_uni_drc->str_gain_set_params[s]

            .gain_params[0]

            .crossover_freq_index = fuzzed_data->ConsumeIntegral<WORD8>();

      } else {

        for (m = 0; m < pstr_drc_coefficients_uni_drc->str_gain_set_params[s].band_count; m++) {

          pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[m].nb_points =

              fuzzed_data->ConsumeIntegralInRange<WORD16>(0, MAX_GAIN_POINTS);

          for (p = 0;

               p < pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[m].nb_points;

               p++) {

            pstr_drc_coefficients_uni_drc->str_gain_set_params[s]

                .gain_params[m]

                .gain_points[p]

                .x = fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

            pstr_drc_coefficients_uni_drc->str_gain_set_params[s]

                .gain_params[m]

                .gain_points[p]

                .y = fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

          }

          pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[m].width =

              fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

          pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[m].attack =

              fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

          pstr_drc_coefficients_uni_drc->str_gain_set_params[s].gain_params[m].decay =

              fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

          pstr_drc_coefficients_uni_drc->str_gain_set_params[s].drc_band_type =

              fuzzed_data->ConsumeBool();

          pstr_drc_coefficients_uni_drc->str_gain_set_params[s]

              .gain_params[m]

              .start_sub_band_index = fuzzed_data->ConsumeIntegral<WORD16>();

          pstr_drc_coefficients_uni_drc->str_gain_set_params[s]

              .gain_params[m]

              .drc_characteristic = fuzzed_data->ConsumeIntegral<WORD8>();

          pstr_drc_coefficients_uni_drc->str_gain_set_params[s]

              .gain_params[m]

              .crossover_freq_index = fuzzed_data->ConsumeIntegral<WORD8>();

        }

      }

    }

  }

  pstr_enc_loudness_info_set->loudness_info_count =

      fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_LOUDNESS_INFO_COUNT);

  for (n = 0; n < pstr_enc_loudness_info_set->loudness_info_count; n++) {

    pstr_enc_loudness_info_set->str_loudness_info[n].drc_set_id =

        fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_enc_loudness_info_set->str_loudness_info[n].downmix_id =

        fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_enc_loudness_info_set->str_loudness_info[n].sample_peak_level_present =

        fuzzed_data->ConsumeBool();

    if (1 == pstr_enc_loudness_info_set->str_loudness_info[n].sample_peak_level_present) {

      pstr_enc_loudness_info_set->str_loudness_info[n].sample_peak_level =

          fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

    }

    pstr_enc_loudness_info_set->str_loudness_info[n].true_peak_level_present =

        fuzzed_data->ConsumeBool();

    if (1 == pstr_enc_loudness_info_set->str_loudness_info[n].true_peak_level_present) {

      pstr_enc_loudness_info_set->str_loudness_info[n].true_peak_level =

          fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

      pstr_enc_loudness_info_set->str_loudness_info[n].true_peak_level_measurement_system =

          fuzzed_data->ConsumeIntegral<WORD8>();

      pstr_enc_loudness_info_set->str_loudness_info[n].true_peak_level_reliability =

          fuzzed_data->ConsumeIntegral<WORD8>();

    }

    pstr_enc_loudness_info_set->str_loudness_info[n].measurement_count =

        fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_MEASUREMENT_COUNT);

    for (m = 0; m < pstr_enc_loudness_info_set->str_loudness_info[n].measurement_count; m++) {

      pstr_enc_loudness_info_set->str_loudness_info[n].str_loudness_measure[m].method_definition =

          fuzzed_data->ConsumeIntegral<WORD8>();

      pstr_enc_loudness_info_set->str_loudness_info[n].str_loudness_measure[m].method_value =

          fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

      pstr_enc_loudness_info_set->str_loudness_info[n]

          .str_loudness_measure[m]

          .measurement_system = fuzzed_data->ConsumeIntegral<WORD8>();

      pstr_enc_loudness_info_set->str_loudness_info[n].str_loudness_measure[m].reliability =

          fuzzed_data->ConsumeIntegral<WORD8>();

    }

  }

  pstr_enc_loudness_info_set->loudness_info_album_count =

      fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_LOUDNESS_INFO_COUNT);

  for (n = 0; n < pstr_enc_loudness_info_set->loudness_info_album_count; n++) {

    pstr_enc_loudness_info_set->str_loudness_info_album[n].drc_set_id =

        fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_enc_loudness_info_set->str_loudness_info_album[n].downmix_id =

        fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_enc_loudness_info_set->str_loudness_info_album[n].sample_peak_level_present =

        fuzzed_data->ConsumeBool();

    if (1 == pstr_enc_loudness_info_set->str_loudness_info_album[n].sample_peak_level_present) {

      pstr_enc_loudness_info_set->str_loudness_info_album[n].sample_peak_level =

          fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

    }

    pstr_enc_loudness_info_set->str_loudness_info_album[n].true_peak_level_present =

        fuzzed_data->ConsumeBool();

    if (1 == pstr_enc_loudness_info_set->str_loudness_info_album[n].true_peak_level_present) {

      pstr_enc_loudness_info_set->str_loudness_info_album[n].true_peak_level =

          fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

      pstr_enc_loudness_info_set->str_loudness_info_album[n].true_peak_level_measurement_system =

          fuzzed_data->ConsumeIntegral<WORD8>();

      pstr_enc_loudness_info_set->str_loudness_info_album[n].true_peak_level_reliability =

          fuzzed_data->ConsumeIntegral<WORD8>();

    }

    pstr_enc_loudness_info_set->str_loudness_info_album[n].measurement_count =

        fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_MEASUREMENT_COUNT);

    for (m = 0; m < pstr_enc_loudness_info_set->str_loudness_info_album[n].measurement_count;

         m++) {

      pstr_enc_loudness_info_set->str_loudness_info_album[n]

          .str_loudness_measure[m]

          .method_definition = fuzzed_data->ConsumeIntegral<WORD8>();

      pstr_enc_loudness_info_set->str_loudness_info_album[n]

          .str_loudness_measure[m]

          .method_value = fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

      pstr_enc_loudness_info_set->str_loudness_info_album[n]

          .str_loudness_measure[m]

          .measurement_system = fuzzed_data->ConsumeIntegral<WORD8>();

      pstr_enc_loudness_info_set->str_loudness_info_album[n].str_loudness_measure[m].reliability =

          fuzzed_data->ConsumeIntegral<WORD8>();

    }

  }

  pstr_uni_drc_config->str_channel_layout.layout_signaling_present = fuzzed_data->ConsumeBool();

  pstr_uni_drc_config->str_channel_layout.defined_layout = fuzzed_data->ConsumeIntegral<WORD8>();

  pstr_uni_drc_config->str_channel_layout.speaker_position[0] =

      fuzzed_data->ConsumeIntegral<WORD8>();

  pstr_uni_drc_config->downmix_instructions_count =

      fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_DOWNMIX_INSTRUCTION_COUNT);

  for (n = 0; n < pstr_uni_drc_config->downmix_instructions_count; n++) {

    pstr_uni_drc_config->str_downmix_instructions[n].target_layout =

        fuzzed_data->ConsumeIntegral<WORD8>();

    pstr_uni_drc_config->str_downmix_instructions[n].downmix_coefficients_present =

        fuzzed_data->ConsumeBool();

  }

  pstr_uni_drc_config->drc_description_basic_present = fuzzed_data->ConsumeBool();

  pstr_uni_drc_config->uni_drc_config_ext_present = fuzzed_data->ConsumeBool();

  pstr_enc_loudness_info_set->loudness_info_set_ext_present = fuzzed_data->ConsumeBool();

  pstr_enc_gain_extension->uni_drc_gain_ext_present = fuzzed_data->ConsumeBool();

  if (pstr_uni_drc_config->uni_drc_config_ext_present) {

    pstr_uni_drc_config->str_uni_drc_config_ext.uni_drc_config_ext_type[0] = UNIDRC_CONF_EXT_V1;

    pstr_uni_drc_config->str_uni_drc_config_ext.downmix_instructions_v1_present =

        fuzzed_data->ConsumeBool();

    if (pstr_uni_drc_config->str_uni_drc_config_ext.downmix_instructions_v1_present) {

      /***********  str_downmix_instructions_v1  *************/

      pstr_uni_drc_config->str_uni_drc_config_ext.downmix_instructions_v1_count =

          fuzzed_data->ConsumeIntegralInRange<WORD8>(0, DOWNMIX_INSTRUCTIONS_COUNT_MAX);

      for (n = 0; n < pstr_uni_drc_config->str_uni_drc_config_ext.downmix_instructions_v1_count;

           n++) {

        ia_drc_downmix_instructions_struct *pstr_downmix_instructions_v1 =

            &pstr_uni_drc_config->str_uni_drc_config_ext.str_downmix_instructions_v1[n];

        pstr_downmix_instructions_v1->downmix_id = fuzzed_data->ConsumeIntegral<WORD8>();

        ;

        pstr_downmix_instructions_v1->target_ch_count = fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_downmix_instructions_v1->target_layout = fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_downmix_instructions_v1->downmix_coefficients_present = fuzzed_data->ConsumeBool();

        if (pstr_downmix_instructions_v1->downmix_coefficients_present) {

          FLOAT32 dwn_mix_coeff = 0.0f;

          for (s = 0; s < pstr_downmix_instructions_v1->target_layout; s++) {

            dwn_mix_coeff = fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

            for (ch = 0; ch < in_ch; ch++) {

              pstr_downmix_instructions_v1->downmix_coeff[in_ch * s + ch] = dwn_mix_coeff;

            }

          }

        }

      }

    }

    pstr_uni_drc_config->str_uni_drc_config_ext.drc_coeffs_and_instructions_uni_drc_v1_present =

        fuzzed_data->ConsumeBool();

    if (pstr_uni_drc_config->str_uni_drc_config_ext

            .drc_coeffs_and_instructions_uni_drc_v1_present) {

      /***********  str_drc_coefficients_uni_drc_v1  *************/

      pstr_uni_drc_config->str_uni_drc_config_ext.drc_coefficients_uni_drc_v1_count =

          fuzzed_data->ConsumeIntegralInRange<WORD8>(0, DRC_COEFFICIENTS_UNIDRC_V1_COUNT_MAX);

      for (n = 0;

           n < pstr_uni_drc_config->str_uni_drc_config_ext.drc_coefficients_uni_drc_v1_count;

           n++) {

        ia_drc_coefficients_uni_drc_struct *pstr_drc_coefficients_uni_drc_v1 =

            &pstr_uni_drc_config->str_uni_drc_config_ext.str_drc_coefficients_uni_drc_v1[n];

        pstr_drc_coefficients_uni_drc_v1->drc_location = fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_drc_coefficients_uni_drc_v1->gain_set_count =

            fuzzed_data->ConsumeIntegralInRange<WORD8>(0, GAIN_SET_COUNT_MAX);

        for (s = 0; s < pstr_drc_coefficients_uni_drc_v1->gain_set_count; s++) {

          pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].gain_coding_profile =

              fuzzed_data->ConsumeIntegral<WORD8>();

          pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].gain_interpolation_type =

              fuzzed_data->ConsumeBool();

          pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].full_frame =

              fuzzed_data->ConsumeBool();

          pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].time_alignment =

              fuzzed_data->ConsumeBool();

          pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].time_delta_min_present =

              fuzzed_data->ConsumeBool();

          pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].band_count =

              fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_BAND_COUNT);

          if (pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].band_count == 1) {

            pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].gain_params[0].nb_points =

                fuzzed_data->ConsumeIntegralInRange<WORD16>(0, MAX_GAIN_POINTS);

            for (p = 0; p < pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s]

                                .gain_params[0]

                                .nb_points;

                 p++) {

              pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s]

                  .gain_params[0]

                  .gain_points[p]

                  .x = fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

              pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s]

                  .gain_params[0]

                  .gain_points[p]

                  .y = fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

            }

            pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].gain_params[0].width =

                fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

            pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].gain_params[0].attack =

                fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

            pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].gain_params[0].decay =

                fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

            pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s]

                .gain_params[0]

                .drc_characteristic = fuzzed_data->ConsumeIntegral<WORD8>();

            ;

            pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s]

                .gain_params[0]

                .crossover_freq_index = fuzzed_data->ConsumeIntegral<WORD8>();

          } else {

            for (m = 0; m < pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].band_count;

                 m++) {

              pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].gain_params[m].nb_points =

                  fuzzed_data->ConsumeIntegralInRange<WORD16>(0, MAX_GAIN_POINTS);

              for (p = 0; p < pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s]

                                  .gain_params[m]

                                  .nb_points;

                   p++) {

                pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s]

                    .gain_params[m]

                    .gain_points[p]

                    .x = fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

                pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s]

                    .gain_params[m]

                    .gain_points[p]

                    .y = fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

              }

              pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].gain_params[m].width =

                  fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

              pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].gain_params[m].attack =

                  fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

              pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].gain_params[m].decay =

                  fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

              pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s].drc_band_type = 0;

              pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s]

                  .gain_params[m]

                  .start_sub_band_index = fuzzed_data->ConsumeIntegral<WORD16>();

              pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s]

                  .gain_params[m]

                  .drc_characteristic = fuzzed_data->ConsumeIntegral<WORD8>();

              ;

              pstr_drc_coefficients_uni_drc_v1->str_gain_set_params[s]

                  .gain_params[m]

                  .crossover_freq_index = fuzzed_data->ConsumeIntegral<WORD8>();

            }

          }

        }

      }

      /***********  str_drc_instructions_uni_drc_v1  *************/

      pstr_uni_drc_config->str_uni_drc_config_ext.drc_instructions_uni_drc_v1_count =

          fuzzed_data->ConsumeIntegralInRange<WORD8>(0, DRC_INSTRUCTIONS_UNIDRC_V1_COUNT_MAX);

      for (n = 0;

           n < pstr_uni_drc_config->str_uni_drc_config_ext.drc_instructions_uni_drc_v1_count;

           n++) {

        ia_drc_instructions_uni_drc *pstr_drc_instructions_uni_drc =

            &pstr_uni_drc_config->str_uni_drc_config_ext.str_drc_instructions_uni_drc_v1[n];

        pstr_drc_instructions_uni_drc->drc_set_id = fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_drc_instructions_uni_drc->downmix_id = fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_drc_instructions_uni_drc->additional_downmix_id_present = fuzzed_data->ConsumeBool();

        pstr_drc_instructions_uni_drc->additional_downmix_id_count =

            fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_drc_instructions_uni_drc->drc_location = fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_drc_instructions_uni_drc->depends_on_drc_set_present = fuzzed_data->ConsumeBool();

        pstr_drc_instructions_uni_drc->depends_on_drc_set = fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_drc_instructions_uni_drc->no_independent_use = fuzzed_data->ConsumeBool();

        pstr_drc_instructions_uni_drc->drc_set_effect = fuzzed_data->ConsumeIntegral<WORD16>();

        pstr_drc_instructions_uni_drc->drc_set_target_loudness_present =

            fuzzed_data->ConsumeBool();

        pstr_drc_instructions_uni_drc->drc_set_target_loudness_value_upper =

            fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_drc_instructions_uni_drc->drc_set_target_loudness_value_lower_present =

            fuzzed_data->ConsumeBool();

        pstr_drc_instructions_uni_drc->drc_set_target_loudness_value_lower =

            fuzzed_data->ConsumeIntegral<WORD8>();

        gain_set_channels = fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_CHANNEL_COUNT);

        for (ch = 0; ch < gain_set_channels; ch++) {

          pstr_drc_instructions_uni_drc->gain_set_index[ch] =

              fuzzed_data->ConsumeIntegral<WORD8>();

        }

        for (; ch < MAX_CHANNEL_COUNT; ch++) {

          if (gain_set_channels > 0) {

            pstr_drc_instructions_uni_drc->gain_set_index[ch] =

                pstr_drc_instructions_uni_drc->gain_set_index[gain_set_channels - 1];

          } else {

            pstr_drc_instructions_uni_drc->gain_set_index[ch] = 0;

          }

        }

        pstr_drc_instructions_uni_drc->num_drc_channel_groups =

            fuzzed_data->ConsumeIntegralInRange<WORD8>(0, MAX_CHANNEL_GROUP_COUNT);

        for (g = 0; g < pstr_drc_instructions_uni_drc->num_drc_channel_groups; g++) {

          pstr_drc_instructions_uni_drc->str_gain_modifiers[g].gain_scaling_present[0] =

              fuzzed_data->ConsumeBool();

          pstr_drc_instructions_uni_drc->str_gain_modifiers[g].attenuation_scaling[0] =

              fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

          pstr_drc_instructions_uni_drc->str_gain_modifiers[g].amplification_scaling[0] =

              fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

          pstr_drc_instructions_uni_drc->str_gain_modifiers[g].gain_offset_present[0] =

              fuzzed_data->ConsumeBool();

          pstr_drc_instructions_uni_drc->str_gain_modifiers[g].gain_offset[0] =

              fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

        }

        pstr_drc_instructions_uni_drc->limiter_peak_target_present = fuzzed_data->ConsumeBool();

        pstr_drc_instructions_uni_drc->limiter_peak_target =

            fuzzed_data->ConsumeFloatingPoint<FLOAT32>();

        pstr_drc_instructions_uni_drc->drc_instructions_type =

            fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_drc_instructions_uni_drc->mae_group_id = fuzzed_data->ConsumeIntegral<WORD8>();

        pstr_drc_instructions_uni_drc->mae_group_preset_id =

            fuzzed_data->ConsumeIntegral<WORD8>();

      }

    }

  }

}

static VOID ixheaace_fuzzer_flag(ixheaace_input_config *pstr_in_cfg,

                                 ia_drc_input_config *pstr_drc_cfg,

                                 FuzzedDataProvider *fuzzed_data, WORD32 in_ch) {

  // Set Default value for AAC config structure

  pstr_in_cfg->i_bitrate = fuzzed_data->ConsumeIntegral<WORD32>();

  pstr_in_cfg->i_use_mps = fuzzed_data->ConsumeBool();

  pstr_in_cfg->i_use_adts = fuzzed_data->ConsumeBool();

  pstr_in_cfg->i_use_es = fuzzed_data->ConsumeBool();

  pstr_in_cfg->aac_config.use_tns = fuzzed_data->ConsumeBool();

  pstr_in_cfg->aac_config.noise_filling = fuzzed_data->ConsumeBool();

  pstr_in_cfg->ui_pcm_wd_sz = fuzzed_data->ConsumeIntegral<WORD8>();

  pstr_in_cfg->i_channels = fuzzed_data->ConsumeIntegral<WORD8>();

  if (fuzzed_data->ConsumeBool()) {

    pstr_in_cfg->i_samp_freq = fuzzed_data->PickValueInArray(k_sample_rates);

  } else {

    pstr_in_cfg->i_samp_freq = fuzzed_data->ConsumeIntegral<UWORD32>();

  }

  if (fuzzed_data->ConsumeBool()) {

    pstr_in_cfg->frame_length = fuzzed_data->PickValueInArray(k_frame_length);

  } else {

    pstr_in_cfg->frame_length = fuzzed_data->ConsumeIntegral<WORD16>();

  }

  pstr_in_cfg->aot = fuzzed_data->ConsumeIntegral<WORD8>();

  pstr_in_cfg->esbr_flag = fuzzed_data->ConsumeBool();

  pstr_in_cfg->aac_config.full_bandwidth = fuzzed_data->ConsumeBool();

  pstr_in_cfg->aac_config.bitreservoir_size = fuzzed_data->ConsumeIntegral<WORD16>();

  pstr_in_cfg->i_mps_tree_config = fuzzed_data->ConsumeIntegral<WORD8>();

  pstr_in_cfg->i_channels_mask = fuzzed_data->ConsumeIntegral<WORD8>();

  pstr_in_cfg->cplx_pred = fuzzed_data->ConsumeBool();

  pstr_in_cfg->usac_en = fuzzed_data->ConsumeBool();

  pstr_in_cfg->ccfl_idx = fuzzed_data->ConsumeIntegral<WORD8>();

  pstr_in_cfg->pvc_active = fuzzed_data->ConsumeBool();

  pstr_in_cfg->harmonic_sbr = fuzzed_data->ConsumeBool();

  pstr_in_cfg->hq_esbr = fuzzed_data->ConsumeBool();

  pstr_in_cfg->use_drc_element = fuzzed_data->ConsumeBool();

  pstr_in_cfg->inter_tes_active = fuzzed_data->ConsumeBool();

  pstr_in_cfg->codec_mode = fuzzed_data->ConsumeIntegral<WORD8>();

  pstr_in_cfg->random_access_interval = fuzzed_data->ConsumeIntegral<WORD32>();

  pstr_in_cfg->method_def = fuzzed_data->ConsumeIntegral<WORD32>();

  pstr_in_cfg->measurement_system = fuzzed_data->ConsumeIntegral<WORD32>();

  pstr_in_cfg->measured_loudness = fuzzed_data->ConsumeIntegral<WORD32>();

  pstr_in_cfg->stream_id = fuzzed_data->ConsumeIntegral<UWORD16>();

  pstr_in_cfg->use_delay_adjustment = fuzzed_data->ConsumeIntegral<WORD32>();

  /* DRC */

  if (pstr_in_cfg->use_drc_element == 1) {

    ixheaace_read_drc_config_params(&pstr_drc_cfg->str_enc_params,

                                    &pstr_drc_cfg->str_uni_drc_config,

                                    &pstr_drc_cfg->str_enc_loudness_info_set,

                                    &pstr_drc_cfg->str_enc_gain_extension, fuzzed_data, in_ch);

  }

}

IA_ERRORCODE ia_enhaacplus_enc_pcm_data_read(std::vector<WORD8> input_vec, UWORD32 num_samples,

                                             WORD32 num_channels, WORD16 **data) {

  UWORD32 count = 0;

  UWORD8 channel_no;

  UWORD32 sample_no = 0;

  UWORD32 i = 0;

  while (count < num_samples) {

    sample_no = (count / num_channels);

    channel_no = (UWORD8)(count % num_channels);

    data[channel_no][sample_no] = *input_vec.data();

    i++;

    count++;

  }

  return 0;

}

static IA_ERRORCODE ixheaace_calculate_loudness_measure(ixheaace_input_config *pstr_in_cfg,

                                                        ixheaace_output_config *pstr_out_cfg,

                                                        FuzzedDataProvider *fuzzed_data) {

  WORD32 input_size;

  WORD32 count = 0;

  IA_ERRORCODE err_code = 0;

  VOID *loudness_handle =

      malloc_global(ixheaace_loudness_info_get_handle_size(), DEFAULT_MEM_ALIGN_8);

  if (loudness_handle == NULL) {

    printf("fatal error: libxaac encoder: Memory allocation failed");

    return -1;

  }

  err_code = ixheaace_loudness_init_params(loudness_handle, pstr_in_cfg, pstr_out_cfg);

  if (err_code) {

    free_global(loudness_handle);

    return -1;

  }

  input_size = (pstr_out_cfg->samp_freq / 10) * (pstr_in_cfg->i_channels);

  WORD16 **samples = 0;

  samples =

      (WORD16 **)malloc_global(pstr_in_cfg->i_channels * sizeof(*samples), DEFAULT_MEM_ALIGN_8);

  if (samples == NULL) {

    printf("fatal error: libxaac encoder: Memory allocation failed");

    free_global(loudness_handle);

    return -1;

  }

  for (count = 0; count < pstr_in_cfg->i_channels; count++) {

    samples[count] = (WORD16 *)malloc_global(

        (pstr_out_cfg->samp_freq / 10) * sizeof(*samples[count]), DEFAULT_MEM_ALIGN_8);

    if (samples[count] == NULL) {

      printf("fatal error: libxaac encoder: Memory allocation failed");

      while (count) {

        count--;

        free_global(samples[count]);

      }

      free_global(samples);

      free_global(loudness_handle);

      return -1;

    }

    memset(samples[count], 0, (pstr_out_cfg->samp_freq / 10) * sizeof(*samples[count]));

  }

  count = 0;

  while (count <= fuzzed_data->remaining_bytes()) {

    std::vector<WORD8> input_vec = fuzzed_data->ConsumeBytes<WORD8>(input_size);

    err_code =

        ia_enhaacplus_enc_pcm_data_read(input_vec, input_size, pstr_in_cfg->i_channels, samples);

    if (err_code) {

      for (count = 0; count < pstr_in_cfg->i_channels; count++) {

        free_global(samples[count]);

      }

      free_global(samples);

      free_global(loudness_handle);

      return -1;

    }

    pstr_in_cfg->measured_loudness = ixheaace_measure_loudness(loudness_handle, samples);

    count += input_size;

  }

  if (pstr_in_cfg->method_def == METHOD_DEFINITION_PROGRAM_LOUDNESS) {

    pstr_in_cfg->measured_loudness = ixheaace_measure_integrated_loudness(loudness_handle);

  }

  for (count = 0; count < pstr_in_cfg->i_channels; count++) {

    free_global(samples[count]);

  }

  free_global(samples);

  free_global(loudness_handle);

  return err_code;

}

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {

  FuzzedDataProvider fuzzed_data(data, size);

  FuzzedDataProvider fuzzed_data_loudness(data, size);

  /* Error code */

  IA_ERRORCODE err_code = 0;

  /* API obj */

  pVOID pv_ia_process_api_obj;

  pWORD8 pb_inp_buf = NULL;

  WORD32 input_size = 0;

  WORD32 read_inp_data = 1;

  WORD32 num_proc_iterations = 0;

  /* ******************************************************************/

  /* The API config structure                                         */

  /* ******************************************************************/

  ixheaace_user_config_struct str_enc_api{};

  ixheaace_input_config *pstr_in_cfg = &str_enc_api.input_config;

  ixheaace_output_config *pstr_out_cfg = &str_enc_api.output_config;

  pstr_in_cfg->pv_drc_cfg = malloc_global(sizeof(ia_drc_input_config), DEFAULT_MEM_ALIGN_8);

  ia_drc_input_config *pstr_drc_cfg = (ia_drc_input_config *)pstr_in_cfg->pv_drc_cfg;

  memset(pstr_drc_cfg, 0, sizeof(ia_drc_input_config));

  pstr_out_cfg->malloc_xheaace = &malloc_global;

  pstr_out_cfg->free_xheaace = &free_global;

  /* ******************************************************************/

  /* Parse input configuration parameters                             */

  /* ******************************************************************/

  ixheaace_fuzzer_flag(pstr_in_cfg, pstr_drc_cfg, &fuzzed_data, pstr_in_cfg->i_channels);

  /*1st pass -> Loudness Measurement */

  if (pstr_in_cfg->aot == AOT_USAC || pstr_in_cfg->usac_en) {

    err_code =

        ixheaace_calculate_loudness_measure(pstr_in_cfg, pstr_out_cfg, &fuzzed_data_loudness);

    if (err_code) {

      if (pstr_drc_cfg) {

        free(pstr_drc_cfg);

        pstr_drc_cfg = NULL;

      }

      /* Fatal error code */

      if (err_code & 0x80000000) {

        ixheaace_delete((pVOID)pstr_out_cfg);

        return 0;

      }

      return -1;

    }

  }

  err_code = ixheaace_create((pVOID)pstr_in_cfg, (pVOID)pstr_out_cfg);

  if (err_code) {

    if (pstr_drc_cfg) {

      free(pstr_drc_cfg);

      pstr_drc_cfg = NULL;

    }

    /* Fatal error code */

    if (err_code & 0x80000000) {

      ixheaace_delete((pVOID)pstr_out_cfg);

      return 0;

    }

  }

  pv_ia_process_api_obj = pstr_out_cfg->pv_ia_process_api_obj;

  pb_inp_buf = (pWORD8)pstr_out_cfg->mem_info_table[IA_MEMTYPE_INPUT].mem_ptr;

  /* End first part */

  /* Second part        */

  /* Initialize process */

  /* Get config params  */

  input_size = pstr_out_cfg->input_size;

  memset(pb_inp_buf, 0, input_size);

  while (fuzzed_data.remaining_bytes()) {

    if (read_inp_data) {

      if (fuzzed_data.ConsumeBool()) {

        std::vector<WORD8> input_vec = fuzzed_data.ConsumeBytes<WORD8>(input_size);

        if (input_vec.size()) {

          memcpy(pb_inp_buf, input_vec.data(), input_vec.size());

        }

      } else {

        memset(pb_inp_buf, fuzzed_data.ConsumeIntegral<WORD8>(), input_size);

      }

    }

    ixheaace_process(pv_ia_process_api_obj, (pVOID)pstr_in_cfg, (pVOID)pstr_out_cfg);

    num_proc_iterations++;

    if (pstr_out_cfg->i_out_bytes == 0) {

      read_inp_data = 0;

    } else {

      read_inp_data = 1;

    }

    /* Stop processing after 500 frames */

    if (num_proc_iterations > 500) break;

  }

  ixheaace_delete((pVOID)pstr_out_cfg);

  if (pstr_drc_cfg) {

    free(pstr_drc_cfg);

  }

  return 0;

}

/* End ia_main_process() */