65 lines
2.4 KiB
C
65 lines
2.4 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#include <string.h>
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#include "ixheaac_type_def.h"
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#include "ixheaac_error_standards.h"
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#include "ixheaace_common_rom.h"
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#include "ixheaace_sbr_def.h"
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#include "ixheaace_resampler.h"
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#include "ixheaace_sbr_rom.h"
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#include "ixheaace_sbr_hybrid.h"
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#include "ixheaac_constants.h"
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#include "ixheaace_aac_constants.h"
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WORD32
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ixheaace_create_hybrid_filter_bank(ixheaace_pstr_hybrid pstr_hybrid, FLOAT32 **pptr_flt) {
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LOOPINDEX i;
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FLOAT32 *ptr_flt = *pptr_flt;
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pstr_hybrid->ptr_work_real = ptr_flt;
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ptr_flt += (IXHEAACE_QMF_TIME_SLOTS + IXHEAACE_QMF_BUFFER_MOVE);
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pstr_hybrid->ptr_work_imag = ptr_flt;
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ptr_flt += (IXHEAACE_QMF_TIME_SLOTS + IXHEAACE_QMF_BUFFER_MOVE);
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pstr_hybrid->ptr_qmf_buf_real = (FLOAT32 **)ptr_flt;
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ptr_flt += IXHEAACE_NUM_QMF_BANDS_IN_HYBRID * sizeof(FLOAT32 *) / sizeof(FLOAT32);
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pstr_hybrid->ptr_qmf_buf_imag = (FLOAT32 **)ptr_flt;
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ptr_flt += IXHEAACE_NUM_QMF_BANDS_IN_HYBRID * sizeof(FLOAT32 *) / sizeof(FLOAT32);
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for (i = 0; i < IXHEAACE_NUM_QMF_BANDS_IN_HYBRID; i++) {
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pstr_hybrid->ptr_qmf_buf_real[i] = ptr_flt;
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ptr_flt += IXHEAACE_QMF_BUFFER_MOVE;
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memset(pstr_hybrid->ptr_qmf_buf_real[i], 0,
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IXHEAACE_QMF_BUFFER_MOVE * sizeof(pstr_hybrid->ptr_qmf_buf_real[0]));
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pstr_hybrid->ptr_qmf_buf_imag[i] = ptr_flt;
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ptr_flt += IXHEAACE_QMF_BUFFER_MOVE;
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memset(pstr_hybrid->ptr_qmf_buf_imag[i], 0,
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IXHEAACE_QMF_BUFFER_MOVE * sizeof(pstr_hybrid->ptr_qmf_buf_imag[0]));
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}
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*pptr_flt = ptr_flt;
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return IA_NO_ERROR;
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}
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