osd.h

一个两碟控制的VCD的代码,两碟之间的转动及连续播放,已大量生产的CODE.

/* Copyright 1996, ESS Technology, Inc.					*/
/* SCCSID @(#)osd.h	1.9 6/4/98 */ 


/*
 * $Log$
 */
#include "common.h"

/************************************************************************
 * OSD's font definitions						*
 ************************************************************************/

#define	OSD_CHAR_WIDTH		24	/* Horizontal char size (pels)	*/
#define	OSD_PIXEL		2	/* 2 bits/pixel			*/
#define	OSD_CHAR_HEIGHT		32	/* Vertical char size (pels)	*/

#define	OSD_DRAM_DX		3       /* 3 DWORDs */
#define	OSD_DRAM_DY		OSD_CHAR_HEIGHT	/* Each char is 24x32	*/

/* Dword offset of position i with respect to VCD30_OSD_DRAM_START */
#define OSD_OFFSET(i)           ((((i) << 1) + (i)) >> 1)  /* 1.5*i */


/************************************************************************
 * Local typedefs's							*
 ************************************************************************/
/* PV FSOSD
 *
 *  Example Full Screen OSD Configuration:
 *  
 *        AREA 1______________________________
 *        |           |           |           |
 *        | REGION 1  | REGION 2  | REGION 3  |  LINE 1 (AREA 1)
 *         -----------------------------------
 *        | REGION 4  | REGION 5  | REGION 6  |  LINE 2
 *         -----------------------------------
 *        | REGION 7  | REGION 8  | REGION 9  |  LINE 3
 *        -------------------------------------
 *              .           .           .
 *              .           .           .
 *              .           .           .
 *        AREA 2______________________________
 *        |           |           |           |
 *        | REGION 10 | REGION 11 | REGION 12 |  LINE 1 (AREA 2)
 *         -----------------------------------
 *        | REGION 13 | REGION 14 | REGION 15 |  LINE 2
 *        -------------------------------------
 *
 *
 *  NOTE: When reconfiguring OSD Areas, verify that the following defines are
 *        correct for your intended layout.
 *      1. VCD30_OSD_TOTAL_AREAS
 *      2. OSD_LINES_IN_AREA_1 and OSD_LINES_IN_AREA_2 
 *      3. OSD_TIME_REGION & OSD_TIME_REGION_MASK
 *      4. OSD_TRACK_REGION & OSD_TRACK_REGION_MASK   
 */
  
#define OSD_BLACK               0x9000  
#define OSD_CLEAR               0x7000
#define OSD_BLUE                0xb7f0
#define OSD_GREEN               0x1ba0
#define OSD_PINK                0x1f40
#define OSD_RED                 0xde70
#define OSD_WHITE               0x7000
#define OSD_PURPLE              0xd620
#define OSD_MAGENTA             0xf560
#define OSD_YELLOW              0x5910
#define OSD_BROWN               0xbf40
#define OSD_GRAY                0x1000
#define OSD_CYAN                0x3290
#define OSD_ORANGE              0x0c50
#ifdef MAIN
int osd_palette[]={OSD_BLACK,OSD_CLEAR,OSD_BLUE,OSD_GREEN,OSD_PINK,OSD_RED,OSD_WHITE,
                   OSD_PURPLE,OSD_MAGENTA,OSD_YELLOW,OSD_BROWN,OSD_GRAY,OSD_CYAN,OSD_ORANGE};
#else
extern int osd_palette[];
#endif

#ifdef DRIVER

GBLDEF_0(int	OSD_hstart1, 0);
GBLDEF_0(int	OSD_vstart1, 0);
GBLDEF_0(int	OSD_hend1, 0);
GBLDEF_0(int	OSD_vend1, 0);
GBLDEF_0(int	OSD_hstart2, 0);
GBLDEF_0(int	OSD_vstart2, 0);
GBLDEF_0(int	OSD_hend2, 0);
GBLDEF_0(int	OSD_vend2, 0);
GBLDEF_0(int	VCD30_OSD_DRAM_START, 0);
GBLDEF_0(volatile int	OSD_on, 0);
GBLDEF_0(volatile int	OSD1, 0);
GBLDEF(int	VCD30_OSD_TOTAL_AREAS, 2);	/*for low res it is 2, for high res it should be 1*/

#endif

#define OSD_size	0x800	/*Dword*/
/* Used in initOsd() to set colors */

#define NO_OSD			2
#define CHINESE_OSD		1
#define ENGLISH_OSD		0


void ClrOsd(void);
void ClrOsd2(void);

#ifdef BILINGUAL_OSD
void OutputOsd(int, int, char *, char *);
#define OSDKEY(m1, m2)		OutputOsd(1, 1, m1, m2)
#define OSDKEY2(m1, m2)
#else
void OutputOsd(int, int, char *);
#define OSDKEY(m1, m2)		OutputOsd(1, 1, m1)
#define OSDKEY2(m1, m2)
#endif

void OSD2(int,int,int,int);
void OSD2_rect(int,int,int,int);
int  OSD2_comm(int,int,int,int);
void ClrOSD_comm(int,int);
void Close_OSD2(void);
void Close_OSD1(void);