88 lines
4.2 KiB
C
88 lines
4.2 KiB
C
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/******************************************************************************
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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_TNS_H
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#define IXHEAACD_TNS_H
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VOID ixheaacd_aac_tns_process(
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ia_aac_dec_channel_info_struct *ptr_aac_dec_channel_info, WORD32 num_ch,
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ia_aac_dec_tables_struct *ptr_aac_tables, WORD object_type, WORD32 ar_flag,
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WORD32 *predicted_spectrum);
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WORD16 ixheaacd_read_tns_data(
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ia_bit_buf_struct *it_bit_buff,
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ia_aac_dec_channel_info_struct *ptr_aac_dec_channel_info);
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WORD32 ixheaacd_calc_max_spectral_line_dec(WORD32 *ptr_tmp, WORD32 size);
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WORD32 ixheaacd_calc_max_spectral_line_armv7(WORD32 *ptr_tmp, WORD32 size);
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WORD32 ixheaacd_calc_max_spectral_line_armv8(WORD32 *ptr_tmp, WORD32 size);
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VOID ixheaacd_tns_decode_coef(const ia_filter_info_struct *filter,
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WORD16 *parcor_coeff,
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ia_aac_dec_tables_struct *ptr_aac_tables);
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VOID ixheaacd_tns_parcor_lpc_convert_dec(WORD16 *parcor, WORD16 *lpc,
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WORD16 *scale, WORD order);
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void ixheaacd_tns_parcor_lpc_convert_dec_ld(WORD32 *parcor, WORD32 *lpc,
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WORD16 *scale, WORD32 order);
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VOID ixheaacd_tns_parcor_lpc_convert_armv7(WORD16 *parcor, WORD16 *lpc,
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WORD16 *scale, WORD order);
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VOID ixheaacd_tns_ar_filter_dec(WORD32 *spectrum, WORD32 size, WORD32 inc,
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WORD16 *lpc, WORD32 order, WORD32 shift_value,
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WORD scale_spec, WORD32 *ptr_filter_state);
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void ixheaacd_tns_ma_filter_fixed_ld(WORD32 *spectrum, WORD32 size, WORD32 inc,
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WORD32 *lpc, WORD32 order,
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WORD16 shift_value);
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VOID ixheaacd_tns_ar_filter_armv7(WORD32 *spectrum, WORD32 size, WORD32 inc,
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WORD16 *lpc, WORD32 order, WORD32 shift_value,
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WORD scale_spec, WORD32 *ptr_filter_state);
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VOID ixheaacd_tns_decode_coefficients(const ia_filter_info_struct *filter,
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WORD32 *a,
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ia_aac_dec_tables_struct *ptr_aac_tables);
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VOID ixheaacd_tns_parcor_to_lpc(WORD32 *parcor, WORD32 *lpc, WORD16 *scale,
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WORD32 order);
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VOID ixheaacd_tns_ar_filter_fixed_dec(WORD32 *spectrum, WORD32 size, WORD32 inc,
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WORD32 *lpc, WORD32 order,
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WORD32 shift_value, WORD scale_spec);
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VOID ixheaacd_tns_ar_filter_fixed_armv7(WORD32 *spectrum, WORD32 size,
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WORD32 inc, WORD32 *lpc, WORD32 order,
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WORD32 shift_value, WORD scale_spec);
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VOID ixheaacd_tns_ar_filter_fixed_non_neon_armv7(WORD32 *spectrum, WORD32 size,
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WORD32 inc, WORD32 *lpc,
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WORD32 order,
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WORD32 shift_value,
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WORD scale_spec);
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VOID ixheaacd_tns_ar_filter_fixed_armv8(WORD32 *spectrum, WORD32 size,
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WORD32 inc, WORD32 *lpc, WORD32 order,
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WORD32 shift_value, WORD scale_spec);
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#endif /* #ifndef IXHEAACD_TNS_H */
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