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A bunch of tweaks to the G.722.1 codec

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This commit is contained in:
Steve Underwood
2010-12-26 13:25:03 +08:00
parent d24af1e1c2
commit 5d5485708d
48 changed files with 1402 additions and 1189 deletions
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32
libs/libg722_1/src/utilities.h Normal file
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/*
* g722_1 - a library for the G.722.1 and Annex C codecs
*
* utilities.h
*
* Copyright (C) 2006 Steve Underwood
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#if !defined(__UTILITIES_H__)
#define __UTILITIES_H__
/* Prototypes for some general purpose signal and vector functions */
#if defined(G722_1_USE_FIXED_POINT)
void vec_copyi16(int16_t z[], const int16_t x[], int n);
int32_t vec_dot_prodi16(const int16_t x[], const int16_t y[], int n);
#else
void vec_copyf(float z[], const float x[], int n);
void vec_zerof(float z[], int n);
void vec_subf(float z[], const float x[], const float y[], int n);
void vec_scalar_mulf(float z[], const float x[], float y, int n);
void vec_mulf(float z[], const float x[], const float y[], int n);
float vec_dot_prodf(const float x[], const float y[], int n);
void vec_scaled_addf(float z[], const float x[], float x_scale, const float y[], float y_scale, int n);
void vec_scaled_subf(float z[], const float x[], float x_scale, const float y[], float y_scale, int n);
#endif
#endif
/*- End of file ------------------------------------------------------------*/