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