47 lines
1.9 KiB
C
47 lines
1.9 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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#pragma once
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#ifndef MIN
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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#endif
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#ifndef MAX
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#define MAX(a, b) ((a) > (b) ? (a) : (b))
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#endif
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typedef struct {
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WORD32 low;
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WORD32 high;
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WORD32 value;
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} iusace_state_arith;
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WORD32 iusace_arith_enc_spec(ia_bit_buf_struct *it_bit_buf, WORD32 window_sequence,
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WORD32 *ptr_x_ac_enc, WORD32 max_spec_coefficients,
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WORD32 *ptr_c_pres, WORD32 *ptr_c_prev, WORD32 *ptr_size_prev,
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WORD32 arith_reset_flag, WORD32 ccfl);
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WORD32 iusace_tcx_coding(ia_bit_buf_struct *pstr_it_bit_buff, WORD32 tcx_size,
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WORD32 max_tcx_size, WORD32 *ptr_quant, WORD32 *c_pres, WORD32 *c_prev);
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WORD32 iusace_arith_done(ia_bit_buf_struct *pstr_it_bit_buff, WORD32 bp, iusace_state_arith *s);
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WORD32 iusace_arith_encode(ia_bit_buf_struct *pstr_it_bit_buff, WORD32 bp, iusace_state_arith *s,
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WORD32 symbol, UWORD16 const *cum_freq);
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