enc_lag6.h

arm音频编解码库

/*
********************************************************************************
*
*      GSM AMR-NB speech codec   R98   Version 7.6.0   December 12, 2001
*                                R99   Version 3.3.0                
*                                REL-4 Version 4.1.0                
*
********************************************************************************
*
*      File             : enc_lag6.h
*      Purpose          : Encoding of fractional pitch lag with 1/6 resolution.
*
********************************************************************************
*/
#ifndef enc_lag6_h
#define enc_lag6_h "$Id $"
 
/*
********************************************************************************
*                         INCLUDE FILES
********************************************************************************
*/
#include "typedef.h"
 
/*
********************************************************************************
*                         DEFINITION OF DATA TYPES
********************************************************************************
*/
 
/*
********************************************************************************
*                         DECLARATION OF PROTOTYPES
********************************************************************************
*/
Word16 Enc_lag6 (        /* o  : Return index of encoding             */
    Word16 T0,           /* i  : Pitch delay                          */
    Word16 T0_frac,      /* i  : Fractional pitch delay               */
	 Word16 T0_min,       /* i  : minimum of search range              */
    Word16 delta_flag    /* i  : Flag for 1st (or 3rd) subframe       */
);
 
#endif