nav_menu.c

ESS3890+SL原代码（1*16内存）

/* Copyright 2003, ESS Technology, Inc.                                 */
/* SCCSID @(#)nav_menu.c	4.4 10/17/03 */

/* Based on filesys.c	4.8 02/17/03 */


#include "vcxi.h"
#include "const.h"
#include "cg.h"
#include "filesys.h"
#include "nav_menu.h"
#include "display.h"
#include "timedef.h"

#ifdef ID3
#include "id3.h"
#endif

#ifdef MP3
#include "mp3.h"
#endif

#ifdef ECHO
#include "echo.h"
#endif

#ifdef EQUALIZER
#include "eq.h"
#endif

/*------------------------------------------------------------------------
 * Debugging macros
 *------------------------------------------------------------------------*/
#ifdef DEBUG_OSD
int osdreg=1;
#define CPRINTF(a,b) {osdreg+=3;if(osdreg>13)osdreg=1;debug_osd(a,b,osdreg);}
#else
#define CPRINTF(a,b)
#endif

#if 0
int bpt;
#define BREAKPOINT(x) {bpt=x;while(bpt) VCX_service();}
#else
#define BREAKPOINT(x) 
#endif

/*------------------------------------------------------------------------
 * Private defines
 *------------------------------------------------------------------------*/
#ifdef LONG_FILENAME_SUPP	/* enable in filesys.h for Joliet support */ 
#define ItemNum         6
#define MP3_DIR_LENGTH	20
#define MP3_PAGE_XSTART 1
#define MP3_PAGE_YSTART 2
#define MP3_VERT_LISTING
#else
#define ItemNum         12
#define MP3_DIR_LENGTH	10
#define MP3_PAGE_XSTART 16
#define MP3_PAGE_YSTART 1
#endif LONG_FILENAME_SUPP 

#define HorzSpace       13

#define WIN_LENGTH      28
#define BACK_COLOR      10

#ifdef LONG_FILENAME_SUPP 
#define BTN_LENGTH      26
#define CG_FRAME_DX	24
#else
#define BTN_LENGTH      13
#define CG_FRAME_DX	12
#endif

/*------------------------------------------------------------------------
 * Global or external variables
 *------------------------------------------------------------------------*/
#ifdef HOST_SLAVE
/*extern*/ char InitCD_Force_Stop=0;
extern unsigned char cd_stop;
unsigned char Long_File_Name;
int temp_mp3_song=0;
#endif

#ifdef WMA_DEC 
extern int wma_smpl_num;
#endif

/*------------------------------------------------------------------------
 * Private variables
 *------------------------------------------------------------------------*/
static int prev_file_item = 0;
static int prev_dir_item = -1;


/*------------------------------------------------------------------------
 * Private functions
 *------------------------------------------------------------------------*/
#ifdef DATA_CD
static MP3_page_buf(int, int);
static void MP3_track(void);
static void MP3_menu(void);

int MP3_song(void);
void track_to_mp3(int);

#ifdef USE_ID3_INFO
extern unsigned char cd_stop;
void show_ID3(int track);
#endif
#endif /* DATA_CD */



/*------------------------------------------------------------------------
 * Begin function listing
 *------------------------------------------------------------------------*/
#ifdef DATA_CD
static char MP3_DIR[32]="FOLDER  : ";
static char MP3_PAGE[] = "PAGE XX/XX";
static char mp3_select;

static int show_text(uchar *message, int x, int y, int xoffset, 
		     int yoffset, int align)
{
    unsigned char pmsg[27];
    int j=0;
    
    cg_ch2pixel(&x, &y);
    x+=xoffset;
    y+=yoffset;
    while(message[j]!=0 && j<26 ){
        if (message[j] >= 'a') pmsg[j] = message[j] - ('a' - 'A');
        else
            pmsg[j] = message[j];
        j++;
    }
    pmsg[j]=0;
    
    return GI_text_show(pmsg, x, y, align);
}

static int show_icon(int icon_id, int x, int y, int xoffset, int yoffset)
{
    cg_ch2pixel(&x, &y);
    x+=xoffset;
    y+=yoffset;
    return GI_icon_show(icon_id, x, y);
}

/************************************************************************
  Function:
  Description:
*************************************************************************/
void MP3_draw_box()
{
    char new_msg[29];
    int need_aud = 0;
    int i = 0;
    int xstart=76;

#ifdef MP3
    if((STREAM_type == MP3_ID) && (MPG_frames))need_aud = 1;
#endif
#ifdef WMA_DEC
    if((STREAM_type == WMA_ID) && (wma_smpl_num))need_aud = 1;
#endif

    CG_menu_on = 1; /* OSD menu is ON */
    
    for (i=1; i<12; i++){
	if(need_aud) AUD_service();
	button_erase(0, i, WIN_LENGTH, 1, BACK_COLOR);
    }
    
    CG_show_window(0, 1, 28, 11, 1, 1, 0);
    
#ifdef JPEG_DEC
    if( (is_fuji_cd&0xF0) == 0xE0 ){ 
	CG_map_color_array(10, 8, 3);
	show_text("FUJICOLOR CD", 7, 10, 0, 16, 0);
    }
#endif    
}

/**********************************************************************/
static void color_mapping(int mode, int hli, int *color1, int *color2)
{
    if (hli > 0) { *color1 = 7; *color2 = 3; }
    else if (hli<0 && mode==0) { *color1 = 7; *color2 = 3; }
    else { *color1 = 13; *color2 = 7; }
}
/**********************************************************************/

static void frame_color_restore(int dummy, int hli, int x, int y, int length)
{
    int j = 0;
    if (!dummy && hli == 1) j = 1;
    CG_show_frame(x, y, length, 1, j);
}


static MP3_page_buf(int cur_page, int total_pages)
{
    int bcd_num;
    
    
    bcd_num = hex2bcd[cur_page];
    MP3_PAGE[5] = ((bcd_num >> 4) & 0xf) + '0';
    MP3_PAGE[6] = (bcd_num & 0xf) + '0';
    
    bcd_num = hex2bcd[total_pages];
    MP3_PAGE[8] = ((bcd_num >> 4) & 0xf) + '0';
    MP3_PAGE[9] = (bcd_num & 0xf) + '0';
}

#ifdef USE_ID3_INFO
/* display the ID3 Info */
void show_ID3(int track)
{
    char msg[25];
    char *read_p, *R_p[2];
    ID3_INFO *id3;
    unsigned int i,j,tmp, y_offset[2];
    
    if( cd_stop 
#ifdef EQUALIZER
      || OSD_eq_mode > 0
#endif
	) return;
    
    id3 = ID3_info;
    y_offset[0] = 114; y_offset[1] = 140;
    R_p[0] = &(ID3_info->song_title[0]);
    R_p[1] = &(ID3_info->artist[0]);

    
    if(id3->cur_track != track){/*This is 1st time to show current ID3*/
	id3->cur_track = track; id3->cur_timer = 0;
	id3->str_len[0] = id3->str_len[1] = 0;
	id3_str_index = 0;
	
	for(i=0; i<24; i++) msg[i] = ' '; msg[24] = 0;
	
	/*try to find the length of ID3_info */
	for(j=0; j<2; j++){
	    /* Clear the OSD area for display*/
	    CG_map_color_array(BACK_COLOR, 13, 3);
	    GI_text_show(msg, 96, y_offset[j], 0);
	    
	    read_p = R_p[j];
	    tmp = 0;
	    for(i=0; i<MAX_ID3_STRING; i++){
		if(read_p[i] == 0) break;
		if(read_p[i]==' ' && read_p[i+1]==' ' && read_p[i+2]==' '){
		    read_p[i] = 0; break;
		} 
		if(read_p[i] >= '0' && read_p[i] <= 'Z') tmp = 1; 
		else if(read_p[i] >= 'a' && read_p[i] <= 'z'){
		    read_p[i] -= 0x20; tmp = 1;
		} else if (read_p[i] != ' ') read_p[i] = '_';
		id3->str_len[j] ++;
	    }
	    
	    if(!tmp) id3->str_len[j] = 0;
	    
	    if(id3->str_len[j] >0 ){
		
		if( id3->str_len[j] <= 24) {
		    CG_map_color_array(BACK_COLOR, 13, 3);
		    GI_text_show(read_p, 96, y_offset[j], 0);
		} else {
		    id3->str_len[j] += 23;
		    id3->position[j] = 23;
		}
		id3_str_index ++;
	    }
#ifdef HOST_SLAVE
	    extern unsigned char force_mp3_title_flag ;
	    extern unsigned char force_mp3_artist_flag;
	    if (id3_str_index){
		force_mp3_title_flag = 1;
		force_mp3_artist_flag = 1;
	    }
#endif
	}
    }
    
    if(glbTimer - id3->cur_timer <= 30 || !id3_str_index) return;
    id3->cur_timer = glbTimer;
    
    
    for(j=0; j<2; j++){
        if(id3->str_len[j] <= 0) continue;
        read_p = R_p[j];
	
#ifdef ECHO
	MIC_service();
#endif
	if(id3->str_len[j] <=24) {
	    CG_map_color_array(BACK_COLOR, 13, 3);
            GI_text_show(read_p, 96, y_offset[j], 0);
            continue;
	}
	
	if(id3->position[j] < 23){
            for(i=0; i<(23-id3->position[j]); i++) msg[i] = ' ';
            for(i=0; i<(id3->position[j]+1); i++) 
                msg[i+(23-id3->position[j])] = read_p[i];
	} else {
	    read_p += id3->position[j] - 23;
	    tmp = (id3->str_len[j] - id3->position[j]);
	    if(tmp > 24) tmp = 24;
	    for(i=0; i<tmp; i++)msg[i] = read_p[i];
	    for(i=tmp; i<24; i++) msg[i] = ' ';
	}
	msg[24] = 0;
	
	CG_map_color_array(BACK_COLOR, 13, 3);
	GI_text_show(msg, 96, y_offset[j], 0);
	
	id3->position[j] ++;
	if(id3->position[j] > id3->str_len[j]) id3->position[j] = 0;
    }    
}
#endif /* USE_ID3_INFO */

/* list MP3 directory */
static void MP3_track(void)
{
    int i,hli,j=0;
    int x=1,y=4;
    int list_track;
    int file_cnt = 0;
    int color1,color2;
    unsigned char icon_id;
    int pre_item;
    int redraw_item = 0;
    int switch_page = 0;
    int prev_file_page = -1;


    list_track = real_track[mp3_dir];
    
    i = 0;
    do {
        MP3_DIR[i] = iso9660_dir[list_track].name[i];
        i++;
    } while (iso9660_dir[list_track].name[i] && i<MP3_DIR_LENGTH);
    while ( i < MP3_DIR_LENGTH ) {
        MP3_DIR[i] = ' ';
        i++;
    }
    MP3_DIR[i] = 0;

    CG_map_color_array(BACK_COLOR, 13, 3);
    show_text(MP3_DIR, 1,1,0,6,0);
    
    prev_file_page = mp3_page;
    if(mp3_menu_changed) prev_file_page = -1;
    
    mp3_page = mp3_song/ItemNum;
    mp3_select = mp3_song-mp3_page*ItemNum;
    pre_item = prev_file_item - mp3_page*ItemNum;
    
    if( prev_file_page != mp3_page) switch_page = 1;
    
    MP3_page_buf(mp3_page+1, (iso9660_dir[list_track].dir-1)/ItemNum+1);
    
    CG_map_color_array(BACK_COLOR, 13, 3);
    show_text(MP3_PAGE, MP3_PAGE_XSTART, MP3_PAGE_YSTART, 0, 6, 0);
    
    for (i=0; i<iso9660_file_cnt; i++) {
        if (iso9660_file[i].dir == list_track) {
            if (file_cnt >= ItemNum*mp3_page) {
#ifdef JPEG_DEC
                if (((iso9660_file[i].loc)>>24) == JPEG_ID) {
                    icon_id = ICON_JPG;
                } else
#endif
#ifdef WMA_DEC
                if (((iso9660_file[i].loc)>>24) == WMA_ID) {
                    icon_id = ICON_WMA;
                } else
#endif
#ifdef GAMEBOY
#ifdef VGB
		if (((iso9660_file[i].loc)>>24) == GAME_GB_ID) {
                    icon_id = ICON_DISC;
                }else
#endif
#ifdef INES 
		if (((iso9660_file[i].loc)>>24) == GAME_NES_ID) {
                    icon_id = ICON_DISC;
                }else
#endif

#endif /* GAMEBOY */

#ifdef MP3CDG 
		if (((iso9660_file[i].loc)>>24) == MP3CDG_ID) {