www.pudn.com > layer1.rar > conv_encoder.h

/* 
******************************************************************************* 
* 
*      COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH 
* 
*      The program(s) may be used and/or copied only with the 
*      written permission from Ericsson or in accordance 
*      with the terms and conditions stipulated in the agreement or 
*      contract under which the program(s) have been supplied. 
* 
******************************************************************************* 
* 
*      File             : conv_encoder.h 
*      Purpose          : Header file for conv_encoder.c 
*      Author           : Francisco Javier Gil Gomez 
* 
******************************************************************************* 
* 
*      Changes since October 13, 2000: 
*      - added reset function conv_encoder_reset() 
* 
******************************************************************************* 
* $Id: $  
* 
*/ 
 
       
#ifndef conv_encoder_h 
#define conv_encoder_h "$Id: $" 
 
#include "conv_poly.h"    /* definition of encoder_t */ 
 
/***********************************************************************/ 
/* conv_encoder_init()                                                 */ 
/* *******************                                                 */ 
/* Initialization of the convolutional encoder.                        */ 
/*                                                                     */ 
/* output variables:                                                   */ 
/* *ptr_state    Initialized state variable of the encoder             */ 
/***********************************************************************/ 
 
void conv_encoder_init(conv_encoder_t* ptr_state); 
 
void conv_encoder_reset(conv_encoder_t* ptr_state); 
 
/***********************************************************************/ 
/* conv_encoder_exec()                                                 */ 
/* *******************                                                 */ 
/* Execution of the convolutional encoder                              */ 
/*                                                                     */ 
/* input variables:                                                    */ 
/* in                   Vector with net bits                           */ 
/* inbits               Number of valid net bits in vector in.         */ 
/*                                                                     */ 
/* output variables:                                                   */ 
/* out                  Vector with the encoded gross bits. The gross  */ 
/*                      bits are either 0 or 1. The vector out must    */ 
/*                      have at least CHC_RATE*inbits elements.        */ 
/*                                                                     */ 
/* input/output variables:                                             */ 
/* *ptr_state           State variable of the encoder                  */ 
/*                                                                     */ 
/***********************************************************************/ 
 
void conv_encoder_exec(conv_encoder_t* ptr_state,  
                       WORD16* in, 
                       WORD16  inbits,  
                       WORD16* out); 
 
#endif