threncode.h

g.726编解码源程序

/*
 *  Copyright 2002 by Texas Instruments Incorporated.
 *  All rights reserved. Property of Texas Instruments Incorporated.
 *  Restricted rights to use, duplicate or disclose this code are
 *  granted through contract.
 *  
 */
/* "@(#) RF3_UART_G726 1.00.00 07-18-02 (swat-c03)" */
/*
 *  ======== thrEncode.h ========
 *
 *  Declaration of resources for thread Encode
 *
 *  Thread Encode processes the audio data.
 *  This file exposes thread Encode's structure to all the modules that
 *  need it, as well as its functions.
 */

#include <pip.h>

#include <algrf.h>          /* algorithm instance creation procedures */

#include "appResources.h"   /* application-wide common info */
#include "appThreads.h"     /* thread-wide common info */
#include "g726enc.h"        /* interface for the G726 ENC algorithm */

#ifdef __cplusplus
extern "C" {
#endif

/* 
 *  Here we define a structure that contains all the "private" encoder
 *  thread information: algorithm handles, input pipe(s), output
 *  pipe(s), intermediate buffer(s), if any, and all the other
 *  information that encapsulates thread state.
 */
typedef struct ThrEncode {
    /* algorithm(s) */
    G726ENC_Handle  algG726ENC;     /* an instance of the G726 encoder algo */
    
    /* input pipe(s) */
    PIP_Handle      pipIn;

    /* output pipe(s) */
    PIP_Handle      pipOut;

    /* intermediate buffer(s) */
    Sample         *bufInterm;

    /* everything else that is private for a thread comes here */
    
} ThrEncode; 

/*  
 *  declaration of generic function tables for XDAIS algorithms;
 *  the link-edit file link.cmd will resolve this by binding
 *  the name to the actual implementation;
 *  for example, linker command file has a line: 
 *  _G726ENC_IG726ENC = _G726ENC_TI_IG726ENC
 */
extern far IG726ENC_Fxns G726ENC_IG726ENC;      /* G726ENC algorithm */

/*
 *  Declaration of "public" encoder functions 
 */
/* init function, called from thrInit() */
extern Void thrEncodeInit( Void );

/* run function, called by the swiEncode SWI object */
extern Void thrEncodeRun( Void );

#ifdef __cplusplus
}
#endif /* extern "C" */