Ejemplo n.º 1
0
int main(int argc, char *argv[]) {
    char *files[] = {"test51_0.tpl", "test51_1.tpl", "test51_2.tpl", "test51_3.tpl","test51_4.tpl", NULL};
    char **f;
    char buf[FILE_BUFLEN];
    int rc,fd;
    tpl_gather_t *gs=NULL;

    for (f = files; *f; f++) {
        if (DEBUG) printf("file is %s\n", *f);
        if ( ( fd = open(*f, O_RDONLY) ) == -1) {
            printf("error - can't open %s: %s\n", *f, strerror(errno));
            exit(-1);
        }
        rc = read(fd,&buf,FILE_BUFLEN);  /* read whole file (no points for style) */
        if (rc == -1) {
            printf("error - can't read %s: %s\n", *f, strerror(errno));
            exit(-1);
        }
        if (tpl_gather(TPL_GATHER_MEM,buf, rc, &gs, tpl_cb, NULL) <= 0) {
            printf("tpl_gather_mem returned <= 0, exiting\n");
            exit(-1);
        }
        close(fd);
    }
    printf("num_tpls: %d, sum: %d\n", num_tpls, sum_tpls);
    return(0);
}
Ejemplo n.º 2
0
int main() {
    FILE *f1,*f2;
    int fdflags,fd,fd1,fd2;
    int selrc, maxfd;
    tpl_gather_t *gs1=NULL,*gs2=NULL,**gs;
    struct timeval tv;
    fd_set rset;


    f1 = popen("cat test26_0.tpl;sleep 1; cat test26_1.tpl", "r");
    fd1 = fileno(f1); 
    fdflags = fcntl(fd1, F_GETFL, 0);
    fcntl( fd1, F_SETFL, fdflags | O_NONBLOCK);

    f2 = popen("cat test26_2.tpl;sleep 1; cat test26_3.tpl", "r");
    fd2 = fileno(f2); 
    fdflags = fcntl(fd2, F_GETFL, 0);
    fcntl( fd2, F_SETFL, fdflags | O_NONBLOCK);

    while (1) {
        FD_ZERO( &rset );
        if (fd1 >= 0) FD_SET( fd1, &rset );
        if (fd2 >= 0) FD_SET( fd2, &rset );

        if (fd1 == -1 && fd2 == -1) {
            printf("%d tpls gathered.\n",num_tpls);
            printf("%d is their sum.\n",sum_tpls);
            return(0);
        }

        maxfd=0;
        if (fd1>maxfd) maxfd = fd1;
        if (fd2>maxfd) maxfd = fd2;

        tv.tv_sec = 5;
        tv.tv_usec = 0;

        selrc = select(maxfd+1, &rset, NULL, NULL, &tv );
        if (selrc == -1) {
           perror("select()");
        } else if (selrc) {
            for(fd=0;fd<maxfd+1;fd++) {
                if ( FD_ISSET(fd, &rset) ) {
                    if (DEBUG) printf("fd %d readable\n", fd);
                    gs = (fd1 == fd) ? &gs1 : &gs2;
                    if (tpl_gather(TPL_GATHER_NONBLOCKING,fd,gs,tpl_cb,NULL) <= 0) {
                        if (fd1 == fd) {pclose(f1); fd1 = -1; }
                        if (fd2 == fd) {pclose(f2); fd2 = -1; }
                    } else {
                        if (DEBUG) printf("tpl_gather >0\n");
                    }
                }
            }
        } else {
            if (DEBUG) printf("timeout\n");  
        }
    }
    return(0);
}
Ejemplo n.º 3
0
int main(int argc, char *argv[]) {
  int rc = -1;

  void *buf=NULL;
  size_t sz;
  if (tpl_gather(TPL_GATHER_BLOCKING, STDIN_FILENO, &buf, &sz) <= 0) goto done;

  /* peek into the saved image to see how many samples it has in it */
  uint32_t num_fxlens, *fxlens;
  char *fmt = tpl_peek(TPL_MEM|TPL_FXLENS, buf, sz, &num_fxlens, &fxlens);
  if ((!fmt) || (num_fxlens<1)) {fprintf(stderr,"invalid buffer\n"); goto done;}
  cfg.nsamples = fxlens[0];
  free(fxlens);

  /* make a buffer to load the PCM data into */
  /* TODO assert cfg.resolution == cfg.resolution in the image */
  size_t pcmlen = cfg.resolution * cfg.nsamples;
  int16_t *pcm;
  pcm = (int16_t*)malloc(pcmlen);
  if (!pcm) {fprintf(stderr,"out of memory\n"); goto done;}
  
  tpl_node *tn = tpl_map("iiij#", &cfg.sample_rate, &cfg.duration, &cfg.resolution, 
                         pcm, cfg.nsamples);
  tpl_load(tn, TPL_MEM, buf, sz);
  tpl_unpack(tn,0);
  tpl_free(tn);

  if (cfg.verbose) fprintf(stderr,"read the PCM file: "
                 "duration %u s, sample rate %u hz, resolution %u bits\n",
                 cfg.duration, cfg.sample_rate, cfg.resolution*8);

  play_pcm(argc, argv, pcm, pcmlen, cfg.sample_rate, cfg.verbose);

  /* TODO cycle if requested, reusing buf? */
  rc = 0;

 done:
  if (buf) free(buf);
  return rc;
}