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