muxing_ipc.c

#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <stdint.h>
#include <unistd.h>


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

        uint8_t buf[512];
        char fifo_path[] = "test.264";
        int fd = -1;
        mkfifo(fifo_path, 0666);
        fd = open(fifo_path, O_WRONLY);
        if(fd < 0) {
                fprintf(stderr, "Open fifo failed\n");
                return 1;
        }

        FILE *fp = NULL;
        fp = fopen("test2.264", "rb");
        if(fp == NULL) {
                fprintf(stderr, "Open h264 raw data failed\n");
                return 1;
        }

        while(1) {
                fread(buf, sizeof(buf), 1, fp);
                write(fd, buf, sizeof(buf));
                if(feof(fp)) {
                        fprintf(stdout, "End of stream\n");
                        break;
                }
        }

        close(fd);
        fclose(fp);
        return 0;

}