gfiber-tools/playback.c

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

int main(int argc, char **argv) {
  int outfd, infd, len, wrote;
  char data[131072];

  infd = open("out", O_RDONLY);
  if (infd < 0) {
    perror("open ./out");
    return 1;
  }

  read(infd, &data, 131072);

  int offset = 0;
  while (1) {
    outfd = open("/tmp/Fifo_bdt_tiaudio", O_WRONLY);
    if (outfd < 0) {
      perror("open /tmp/Fifo_bdt_tiaudio");
      return 1;
    }

    len = data[offset];
    printf("%d data bytes to write\n", len);
    if (len == 0) {
      return 0;
    }

    wrote = write(outfd, &data[offset], len + 1);
    offset += len + 1;
    if (wrote != len + 1) {
      printf("only wrote %d/%d bytes.  skipping.\n", wrote, len + 1);
    }

    close(outfd);
    usleep(1000);
  }
}