69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
/******************************************************************************
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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_ACELP_COM_H
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#define IXHEAACD_ACELP_COM_H
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#define LEN_ABS_LEADER 37
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#define LEN_SIGN_LEADER 226
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#define LEN_I3 9
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#define LEN_I4 28
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extern const FLOAT32 ixheaacd_int_leave_gain_table[256];
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VOID ixheaacd_rotated_gosset_mtx_dec(WORD32 qn, WORD32 code_book_idx,
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WORD32 kv[], WORD32 y[]);
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VOID ixheaacd_residual_tool(WORD32 *a, WORD32 *x, WORD32 *y, WORD32 l,
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WORD32 n);
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VOID ixheaacd_synthesis_tool_float(FLOAT32 a[], FLOAT32 x[], FLOAT32 y[],
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WORD32 l, FLOAT32 mem[]);
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VOID ixheaacd_synthesis_tool_float1(FLOAT32 a[], FLOAT32 x[], WORD32 l);
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VOID ixheaacd_lpc_wt_synthesis_tool(FLOAT32 a[], FLOAT32 x[], WORD32 l);
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WORD16 ixheaacd_rand_gen(WORD16 *seed);
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VOID ixheaacd_preemphsis_tool(WORD32 *signal, WORD32 mu, WORD32 len,
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WORD32 mem);
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VOID ixheaacd_deemphsis_tool(FLOAT32 *signal, WORD32 len, FLOAT32 mem);
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VOID ixheaacd_residual_tool_float(FLOAT32 *a, FLOAT32 *x, FLOAT32 *y, WORD32 l,
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WORD32 loop_count);
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VOID ixheaacd_residual_tool_float1(FLOAT32 *a, FLOAT32 *x, FLOAT32 *y, WORD32 l,
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WORD32 loop_count);
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VOID ixheaacd_preemphsis_tool_float(FLOAT32 *signal, FLOAT32 mu, WORD32 len,
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FLOAT32 mem);
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VOID ixheaacd_lsp_to_lp_conversion(FLOAT32 *lsp, FLOAT32 *a);
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VOID ixheaacd_lpc_coeff_wt_apply(FLOAT32 *a, FLOAT32 *ap);
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VOID ixheaacd_acelp_pitch_sharpening(FLOAT32 *x, WORD32 pit_lag);
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VOID ixheaacd_acelp_decode_pulses_per_track(WORD32 index[], const WORD16 nbbits,
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FLOAT32 code[]);
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#endif
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