kara.h

一个不错的硬盘播放器程序,包含VFD显示程序,红外线遥控程序,硬盘读写程序,及解码程序等.

/* Copyright 1996, ESS Technology, Inc.					*/
/* SCCSID @(#)kara.h	1.22 1/9/98 */

/*
 * $Log$
 */

#ifndef _KARA_H_
#define _KARA_H_

#include "common.h"
/************************************************************
 * Export Variables
 ************************************************************/
struct ObjectKara {
    int    karaokey;        /* local copy of vcx_karaokey */
    int    break_on_crossfade;
    int    key_shift_offset ;
    int    vp_port;
    int    tail_ptr;
/*    int*   rdptr;
    int*   wrptr;*/
};

#ifdef MAIN
struct ObjectKara KARAvcd;
#else
extern struct ObjectKara KARAvcd;
#endif

/************************************************************
 * Export function
 ************************************************************/
EXPORT void karaoke_init(struct ObjectKara *p);
EXPORT int  karaoke_is_ready(struct ObjectKara p);
EXPORT int  karaoke_shift(struct ObjectKara *p);

/************************************************************
 * Import function
 ************************************************************/
/*IMPORT void VP_load_ucode(RAMCODE name);*/
IMPORT void LOW_set_buscon_dma_width3(ushort new_value);

/************************************************************
 * Import Variables
 ************************************************************/
IMPORT int * vp_key_port;

/************************************************************
 * Constant define
 ************************************************************/
#ifdef SPATIAL
#define DIFF_start            (2112+ADJUST_4_LINE) /* DW addr */
#define DIFF_size             8    /* unit in DW */
#define DIFF_end              (DIFF_start+DIFF_size)
#define	BP_filter	      DIFF_end
#define BP_size               (2*(DIFF_size+1))    /* unit in DW */

#define DM_OFFSET             256 /* (16*32)/2 unit in words */
#define DP_OFFSET             96*4+DIFF_size*4
#define HIST_OFFSET           448 /* (32*16 + 96*4)/2 */
#endif /* end of #ifdef SPATIAL */


/************************************************************
 * global variables
 ************************************************************/
#ifdef SPATIAL
/* 
 * Do_spa is no longer used. Please set level via SPA_set_level
 */
#define	SPA_OFF		0		/* Normal			*/
#define	SPA_SURROUND	1		/* Surround sound		*/
#define	SPA_3D		2		/* 3D surround sound		*/
#define	SPA_HALL	3		/* Hall (widest)		*/
#define	SPA_VOCAL_CUT	4		/* Vocal cut			*/

GBLDEF(int SPA_level, SPA_OFF);		/* Keep track of spatializer	*/
extern	char *	SPA_set_level(int);
#endif


#endif /* _KARA_H_ */