error.c

来自「4.8k/s速率FS1016标准语音压缩源码」· C语言 代码 · 共 84 行

#include "main.h"
#include "hamming.h"
#include "error.h"

#define ENCODE 0
#define DECODE 1

/**************************************************************************
*                                                                         *
* ROUTINE
*		ErrorEncode
*
* FUNCTION
*		CELP error encoding
* SYNOPSIS
*		ErrorEncode(bit_channel, num_bits, error_parms, edac, 
*				frame_num, channel)
*
*   
*
*                       data    I/O
*       name            type    type    function
*       -------------------------------------------------------------------
*	bit_channel	int	 i	Frame of CELP bits
*	num_bits	int	 i	Number of bits (future)
*	error_parms	char	 i	Name of error parameter file (future)
*	edac		int	 i	EDAC flag
*	frame_num	int	 i	Frame Number (future)
*
**************************************************************************/
void ErrorEncode(
int	bit_channel[],
/*int	num_bits,
char	error_parms[],*/
int	edac/*,
int	frame_num*/)
{

/*  Hamming encode the permuted bitstream if no other edac */
	if(!edac)
	  Hamming(bit_channel, ENCODE);

}

/*
*************************************************************************
*                                                                         *
* ROUTINE
*		ErrorDecode
*
* FUNCTION
*		CELP error decoding
* SYNOPSIS
*		ErrorDecode(channel, num_bits, error_parms, BitChannel)
*
*   
*
*                       data    I/O
*       name            type    type    function
*       -------------------------------------------------------------------
*	channel		int	 i	Frame of channel data
*	num_bits	int	 i	Number of bits (future)
*	error_parms	char	 i	Name of error parameter file (future)
*	BitChannel	int 	 o	CELP output parameter bits
*	Assurance	int 	 o	Assurance value for errors
*
**************************************************************************/

void ErrorDecode(
int 		channel[],
/*int		num_bits,
char		error_parms[],*/
int		edac,
int		*Assurance)
{

/*  Hamming decode the permuted bitstream */
	if(!edac)
	  *Assurance = Hamming(channel, DECODE);


}