fc_if.c

gm8120的video控制

#include <stdio.h>
#include <stdlib.h>
#include "../FConfig/config_access.h"	
#include "fc.h"

int level_profile_num = 0;

extern int read_video_mode(const char *filename, int *mode);
Level *simple_level = NULL;

/*
352x240 30 128 - 1M
720x480 30 768k - 2.5M
*/

Level simple_level_ntsc[] = {
    { 3,  30,  512,    4000	},
    { 2,  30,  256,    900  },
	{ 2,  15,  128,    384	},
	{ 2,  10,  0,      256 	}
};

Level simple_level_pal[] = {
    { 6,  30,  512,    4000	},
    { 5,  30,  256,    900 	},
    { 5,  15,  128,    384  },
	{ 5,  10,  0,      256	}
};

Level simple_level_vga[] = {
    { 9,  30,  512,   4000 	},
    { 8,  30,  256,   900 	},
    { 8,  15,  128,   384  	},
    { 8,  10,  0,     256  	}
};

void profile_set_vmode(void)
{
	int mode;
	
	if (read_video_mode(AV_CONFIGFILE, &mode) < 0) {
		fprintf(stderr, "Incorrect config file - video use the default value\n");
		return ;
	}	
	
	switch(mode) {
		case NTSC_MODE:
			simple_level = simple_level_ntsc;
			level_profile_num = sizeof(simple_level_ntsc) / sizeof (Level);
			break; 	
		case PAL_MODE:
			simple_level = simple_level_pal;
			level_profile_num = sizeof(simple_level_pal) / sizeof (Level);
			break; 
		case VGA_MODE:
			simple_level = simple_level_vga;
			level_profile_num = sizeof(simple_level_vga) / sizeof (Level);
			break;            
		default:
			printf("Profile type error!!\n");
		    exit(2);
	}	
//++ Foster
printf("%s:%d <level_profile_num =%d, mode=%d> \n",__FUNCTION__,__LINE__,level_profile_num, mode);
//-- Foster
}