28 lines
1.2 KiB
C
Executable File
28 lines
1.2 KiB
C
Executable File
/*
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*===================================================================
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* 3GPP AMR Wideband Floating-point Speech Codec
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*===================================================================
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*/
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#ifndef ENC_E_ACELP_H
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#define ENC_E_ACELP_H
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#include "typedef.h"
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void E_ACELP_Gain2_Q_init(Word16 *mem);
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void E_ACELP_xy2_corr(Float32 xn[], Float32 y1[], Float32 y2[],
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Float32 g_corr[]);
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Float32 E_ACELP_xy1_corr(Float32 xn[], Float32 y1[], Float32 g_corr[]);
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void E_ACELP_xh_corr(Float32 *x, Float32 *y, Float32 *h);
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void E_ACELP_codebook_target_update(Float32 *x, Float32 *x2, Float32 *y,
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Float32 gain);
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void E_ACELP_2t(Float32 dn[], Float32 cn[], Float32 H[], Word16 code[],
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Float32 y[], Word32 *index);
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void E_ACELP_4t(Float32 dn[], Float32 cn[], Float32 H[], Word16 code[],
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Float32 y[], Word32 nbbits, Word16 mode, Word32 _index[]);
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Word32 E_ACELP_gains_quantise(Word16 code[], Word32 nbits, Float32 f_gain_pit,
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Word16 *gain_pit, Word32 *gain_code,
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Float32 *coeff, Word32 gp_clip,
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Word16 *past_qua_en);
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#endif
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