#include <linux/input.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdint.h>
#include <pthread.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>

 

int switch_video;
unsigned char key_value;




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 main(int argc, char **argv)
{


	int ret;	
	int *switch_mode;

	int switch_video=0;
	int switch_video_pre=0;
	unsigned char buf[1024];
	unsigned char buf_kill_rtsp[1024];

	switch_mode = switch_memory_open();

	switch_video = switch_mode[0];
	switch_video_pre = switch_video;	


	//sprintf(buf_kill_rtsp,"./kill_rtsp.sh");
	if(switch_video==5||switch_video==6){
		sprintf(buf,"./start_rtsp.sh %d",1);	
		system(buf);
	}else{
		sprintf(buf,"./start_rtsp.sh %d",switch_video+1);
		system(buf);
	}


	while(1)
	{
		switch_video = switch_mode[0];

		if((switch_video==5 && switch_video_pre==5)||(switch_video==6 && switch_video_pre==6)){
			if(switch_mode[2] == 0x55){

				 printf("+++++++++++++++++++++++++1  time out\n");
				sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",6);
				system(buf_kill_rtsp);			
                                sprintf(buf,"./start_rtsp.sh %d",6);

                                system(buf);
			} 

			if(switch_mode[3] == 0x55){
				printf("+++++++++++++++++++++++++2  time out\n");

				sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",7);
                                system(buf_kill_rtsp);

                                sprintf(buf,"./start_rtsp.sh %d",7);
                                system(buf);
                        }
			if(switch_mode[4] == 0x55){

				printf("+++++++++++++++++++++++++3  time out\n");

				sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",8);
                                system(buf_kill_rtsp);

                                sprintf(buf,"./start_rtsp.sh %d",8);
                                system(buf);
                        }


			if(switch_mode[5] == 0x55){

				printf("+++++++++++++++++++++++++4  time out\n");

				sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",9);
                                system(buf_kill_rtsp);

                                sprintf(buf,"./start_rtsp.sh %d",9);
                                system(buf);
                        }
			 if((switch_mode[2] == 0x55) || (switch_mode[3] == 0x55) || (switch_mode[4] == 0x55)||(switch_mode[5] == 0x55)){

                                printf("+++++++++++++++++++++++++time out\n");
                                usleep(6000000);


                        }
		}else if(switch_video == 1 && switch_video_pre==1){
			if(switch_mode[2] == 0x55){

                                 printf("+++++++++++++++++++++++++11  time out\n");
                                sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",2);
                                system(buf_kill_rtsp);

                                sprintf(buf,"./start_rtsp.sh %d",2);
                                system(buf);
			}
		}
		else if(switch_video == 2 && switch_video_pre==2)
		{        if(switch_mode[3] == 0x55){
                                printf("+++++++++++++++++++++++++22  time out\n");

                                sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",2);
                                system(buf_kill_rtsp);

                                sprintf(buf,"./start_rtsp.sh %d",3);
                                system(buf);
                        }

		}else if(switch_video == 3 && switch_video_pre==3)
		{       if(switch_mode[4] == 0x55){

                                printf("+++++++++++++++++++++++++33  time out\n");

                                sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",2);
                                system(buf_kill_rtsp);

                                sprintf(buf,"./start_rtsp.sh %d",4);
                                system(buf);
                        }
		}
		else if(switch_video == 4 && switch_video_pre==4)
		{
                        if(switch_mode[5] == 0x55){

                                printf("+++++++++++++++++++++++++44  time out\n");

                                sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",2);
                                system(buf_kill_rtsp);

                                sprintf(buf,"./start_rtsp.sh %d",5);
                                system(buf);
                        }
		
		}
		if((switch_video != switch_video_pre )){

                        switch_video_pre = switch_video;
                        sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",1);
                        system(buf_kill_rtsp);
                        //if((switch_video==2)|(switch_video==1)){
                        //      sprintf(buf,"./start_rtsp.sh %d",1);
                        //}
                        //else {
			if((switch_video==5)||(switch_video==6))
                                sprintf(buf,"./start_rtsp.sh %d",1);
			else
				sprintf(buf,"./start_rtsp.sh %d",switch_video+1);
			//}
                        printf("+++++++++++++++video %s\n",buf);


                        system(buf);

                }



			//if((switch_mode[2] == 0x55) || (switch_mode[3] == 0x55) || (switch_mode[4] == 0x55)|| (switch_mode[5] == 0x55) || (switch_mode[6] == 0x55) || (switch_mode[7] == 0x55 )){


		//	usleep(7000000);

//			usleep(6000000);

		usleep(2000000);
				
	}
 
}