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

 *                                                                            *

 * 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

 */

#include <string.h>

#include "ixheaac_type_def.h"

#include "ixheaac_error_standards.h"

#include "ixheaace_common_rom.h"

#include "ixheaace_sbr_def.h"

#include "ixheaace_resampler.h"

#include "ixheaace_sbr_rom.h"

#include "ixheaace_sbr_hybrid.h"

#include "ixheaac_constants.h"

#include "ixheaace_aac_constants.h"

WORD32

ixheaace_create_hybrid_filter_bank(ixheaace_pstr_hybrid pstr_hybrid, FLOAT32 **pptr_flt) {

  LOOPINDEX i;

  FLOAT32 *ptr_flt = *pptr_flt;

  pstr_hybrid->ptr_work_real = ptr_flt;

  ptr_flt += (IXHEAACE_QMF_TIME_SLOTS + IXHEAACE_QMF_BUFFER_MOVE);

  pstr_hybrid->ptr_work_imag = ptr_flt;

  ptr_flt += (IXHEAACE_QMF_TIME_SLOTS + IXHEAACE_QMF_BUFFER_MOVE);

  pstr_hybrid->ptr_qmf_buf_real = (FLOAT32 **)ptr_flt;

  ptr_flt += IXHEAACE_NUM_QMF_BANDS_IN_HYBRID * sizeof(FLOAT32 *) / sizeof(FLOAT32);

  pstr_hybrid->ptr_qmf_buf_imag = (FLOAT32 **)ptr_flt;

  ptr_flt += IXHEAACE_NUM_QMF_BANDS_IN_HYBRID * sizeof(FLOAT32 *) / sizeof(FLOAT32);

  for (i = 0; i < IXHEAACE_NUM_QMF_BANDS_IN_HYBRID; i++) {

    pstr_hybrid->ptr_qmf_buf_real[i] = ptr_flt;

    ptr_flt += IXHEAACE_QMF_BUFFER_MOVE;

    memset(pstr_hybrid->ptr_qmf_buf_real[i], 0,

           IXHEAACE_QMF_BUFFER_MOVE * sizeof(pstr_hybrid->ptr_qmf_buf_real[0]));

    pstr_hybrid->ptr_qmf_buf_imag[i] = ptr_flt;

    ptr_flt += IXHEAACE_QMF_BUFFER_MOVE;

    memset(pstr_hybrid->ptr_qmf_buf_imag[i], 0,

           IXHEAACE_QMF_BUFFER_MOVE * sizeof(pstr_hybrid->ptr_qmf_buf_imag[0]));

  }

  *pptr_flt = ptr_flt;

  return IA_NO_ERROR;

}