148 lines
4.6 KiB
C
148 lines
4.6 KiB
C
#include <linux/input.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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int switch_video;
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unsigned char key_value;
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int *switch_memory_open(void) {
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char buf[128];
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int fd;
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sprintf(buf, "/video_switch");
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fd = shm_open(buf, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
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if(fd < 0) { perror("shm_open"); exit(1); }
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if (ftruncate(fd, 4096) == -1) { perror("ftruncate"); exit(1); }
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int *retval = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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return retval;
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}
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int main(int argc, char **argv)
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{
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int ret;
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int *switch_mode;
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int switch_video=0;
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int switch_video_pre=0;
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unsigned char buf[1024];
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unsigned char buf_kill_rtsp[1024];
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switch_mode = switch_memory_open();
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switch_video = switch_mode[0];
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switch_video_pre = switch_video;
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/* 0->1 双全屏, 1->2 左全屏, 2->3 右全屏, 3->4 左放大, 4->5 右放大 */
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sprintf(buf,"./start_rtsp.sh %d",switch_video+1);
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system(buf);
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while(1)
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{
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switch_video = switch_mode[0];
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/* 双全屏：任一路无信号切该路备路（6=通道0备路, 7=通道1备路） */
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if(switch_video==0 && switch_video_pre==0){
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if(switch_mode[2] == 0x55){
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printf("+++++++++++++++++++++++++1 time out\n");
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sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",6);
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system(buf_kill_rtsp);
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sprintf(buf,"./start_rtsp.sh %d",6);
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system(buf);
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}
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if(switch_mode[3] == 0x55){
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printf("+++++++++++++++++++++++++2 time out\n");
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sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",7);
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system(buf_kill_rtsp);
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sprintf(buf,"./start_rtsp.sh %d",7);
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system(buf);
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}
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if((switch_mode[2] == 0x55) || (switch_mode[3] == 0x55)){
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printf("+++++++++++++++++++++++++time out\n");
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usleep(6000000);
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}
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}else if(switch_video == 1 && switch_video_pre==1){ /* 左屏通道0全屏 */
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if(switch_mode[2] == 0x55){
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printf("+++++++++++++++++++++++++11 time out\n");
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sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",2);
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system(buf_kill_rtsp);
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sprintf(buf,"./start_rtsp.sh %d",2);
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system(buf);
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}
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}
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else if(switch_video == 2 && switch_video_pre==2) /* 右屏通道1全屏 */
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{ if(switch_mode[3] == 0x55){
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printf("+++++++++++++++++++++++++22 time out\n");
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sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",2);
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system(buf_kill_rtsp);
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sprintf(buf,"./start_rtsp.sh %d",3);
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system(buf);
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}
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}
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else if(switch_video == 3 && switch_video_pre==3) /* 左放大右隐藏 */
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{ if(switch_mode[2] == 0x55){
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printf("+++++++++++++++++++++++++33 time out\n");
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sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",2);
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system(buf_kill_rtsp);
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sprintf(buf,"./start_rtsp.sh %d",4);
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system(buf);
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}
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}
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else if(switch_video == 4 && switch_video_pre==4) /* 右放大左隐藏 */
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{ if(switch_mode[3] == 0x55){
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printf("+++++++++++++++++++++++++44 time out\n");
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sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",2);
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system(buf_kill_rtsp);
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sprintf(buf,"./start_rtsp.sh %d",5);
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system(buf);
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}
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}
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if((switch_video != switch_video_pre )){
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switch_video_pre = switch_video;
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sprintf(buf_kill_rtsp,"./kill_rtsp.sh %d",1);
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system(buf_kill_rtsp);
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sprintf(buf,"./start_rtsp.sh %d",switch_video+1);
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printf("+++++++++++++++video %s\n",buf);
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system(buf);
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}
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usleep(3000000);
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}
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}
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