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46 lines
1.7 KiB
46 lines
1.7 KiB
/******************************************************************************
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* *
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* Copyright (C) 2018 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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#ifndef IXHEAACD_HYBRID_H
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#define IXHEAACD_HYBRID_H
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#define HYBRID_FILTER_LENGTH 13
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#define HYBRID_FILTER_DELAY 6
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#define NO_QMF_CHANNELS_IN_HYBRID 3
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#define NO_HYBRID_CHANNELS_LOW 2
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#define NO_HYBRID_CHANNELS_HIGH 8
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typedef struct {
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const WORD16 *ptr_resol;
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WORD8 ptr_qmf_buf;
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WORD32 *ptr_work_re;
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WORD32 *ptr_work_im;
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WORD32 *ptr_qmf_buf_re[NO_QMF_CHANNELS_IN_HYBRID];
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WORD32 *ptr_qmf_buf_im[NO_QMF_CHANNELS_IN_HYBRID];
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WORD32 *ptr_temp_re;
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WORD32 *ptr_temp_im;
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} ia_hybrid_struct;
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VOID ixheaacd_hybrid_analysis(const WORD32 *ptr_qmf_real, WORD32 *ptr_hyb_real,
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WORD32 *ptr_hyb_imag,
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ia_hybrid_struct *ptr_hybrid, WORD16 scale,
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ia_sbr_tables_struct *sbr_tables_ptr);
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#endif /* IXHEAACD_HYBRID_H */
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