#include <linux/input.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdint.h>
#include <pthread.h> 
#include "keyboard.h"
#include <unistd.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <string.h>  
#include <sys/socket.h>  
#include <netinet/in.h>  
#include <arpa/inet.h>  
#include <netdb.h>  
#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <arpa/inet.h>
#include <netdb.h>
#include "confile.h"
#include "Util.h"

#define  KEY_EVENT_DEV0_NAME    "/dev/input/event0"
//#define  KEY_EVENT_DEV0_NAME    "/dev/input/event1"
 
#define DEFAULT_MD_LEN 4096
int switch_video;
unsigned char key_value;

int count=0;
int osd_on=0;



int *switch_memory_open(void) {
        char buf[128];
        int fd;
        sprintf(buf, "/video_switch");
        fd = shm_open(buf, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
        if(fd < 0) { perror("shm_open"); exit(1); }
         if (ftruncate(fd, 4096) == -1) { perror("ftruncate"); exit(1); }
        int *retval = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
        return retval;
}

int get_parameter(struct decoce_param *pparam)
{
   	if(confile_init()) {
        	printf("config file(decoder.cfg) parse filed!\n");
        	return -1;
   	}
   	pparam->sdi_switch     = get_conf_int("sdi_switch", 0);
   	pparam->osd_on     = get_conf_int("osd_on", 0);
   
   	printf("sdi %d osd %d ",pparam->sdi_switch,pparam->osd_on);
   	return 0;
}



int main(int argc, char **argv)
{


	int key_fd  = 0;
	struct input_event key_event  = {0};
	int ret;	
	int port;
	int *switch_mode;
	
	struct decoce_param param;

	switch_video = atoi(argv[1]);

	int flag_down=0;
	int count_down=0;

	key_fd = open(KEY_EVENT_DEV0_NAME, O_RDONLY);
	if(key_fd <= 0)
	{
		printf("---open /dev/input/event0 device error!---\n");
		return ret;
	}
	
	
	switch_mode = switch_memory_open();
	get_parameter(&param);
	
	switch_mode[0] = param.sdi_switch;	
	count = param.sdi_switch;
	switch_mode[1] = param.osd_on;	
	osd_on =  param.osd_on;
	
	//printf("---count ----%d \n",count);
	while(1)
	{
		count=switch_mode[0];
		ret = read(key_fd, &key_event, sizeof(key_event));
		
		if(ret)
		{
		//	printf("key_event.type %d EV_KEY %d \n",key_event.type,EV_KEY);
		//	printf("key_event.value %d key_event.code %d count_down %d\n",key_event.value, key_event.code,count_down);
			if(key_event.type == EV_KEY && key_event.value == 1 )
			{
				flag_down=1;
				count_down=1;
				
			}else if(key_event.type == EV_KEY && key_event.value == 2){
				count_down++;

			}else if(key_event.type == EV_KEY && key_event.value == 0){
			
				if(flag_down == 1){  //短按
					if((key_event.code == 0x68) && (count_down < 25))
					{
						if(count==5||count==6){
						key_value = 0x01;
						count++;
						if(count == (switch_video+1)){
							count=5;
						}

						printf("count1 ----%d \n",count);
						//set_conf_int("sdi_switch",count);
						//save_confile("/root/decode.cfg");
						switch_mode[0] = count;
						}
						//printf("count ----%d \n",count);
					}

					 if((count_down > 50) && (key_event.code == 0x68)){
                                        	printf("long\n");
                                        	osd_on ^= 0x01;
                                        	switch_mode[1] = osd_on;
						
						//set_conf_int("osd_on",osd_on);
						//save_confile("/root/decode.cfg");
					}
	
				
				}

				
				flag_down =0;
				count_down =0;		

			}
		}	

	}
 
}