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cod2lin.c

/*
 * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
 * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
 * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
 */

/*$Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/cod2lin.c,v 1.2 1996/07/02 14:33:10 jutta Exp jutta $*/

#include <stdio.h>
#include <assert.h>

#include    "gsm.h"
#include    "proto.h"

char  * pname;

int   debug      = 0;
int   verbosity  = 0;
int   fast       = 0;
int   wav        = 0;
int   error      = 0;

usage P0()
{
      fprintf(stderr, "Usage: %s [-vwF] [files...]\n", pname);
      exit(1);
}

void process P2((f, filename), FILE * f, char * filename)
{
      gsm_frame   buf;
      gsm_signal  source[160];

      int         cc;
      gsm         r;

      (void)memset(source, 0x00, sizeof(source));

      if (!(r = gsm_create())) {
            perror("gsm_create");
            error = 1;
            return ;
      }
      gsm_option(r, GSM_OPT_VERBOSE, &verbosity);
      gsm_option(r, GSM_OPT_FAST,    &fast);
      gsm_option(r, GSM_OPT_WAV49,   &wav);
      for (;;) {
            cc = fread((char *)source, sizeof(*source), 76, f);
            if (cc == 0) {
                  gsm_destroy(r);
                  return;
            }
            if (cc != 76) {
                  error = 1;
                  fprintf(stderr,
                        "%s: %s -- %d trailing bytes ignored\n",
                        pname, filename, cc);
                  gsm_destroy(r);
                  return;
            }

            gsm_implode(r, source, buf);
            gsm_decode(r, buf, source);

            if (write(1, source, sizeof(source)) != sizeof(source)) {
                  perror("write");
                  error = 1;
                  gsm_destroy(r);
                  return;
            }
      }
}

main P2((ac, av), int ac, char ** av)
{
      int         opt;
      extern char   * optarg;
      extern int  optind;

      FILE        * f;

      if (!(pname = av[0])) pname = "cod2out";

      while ((opt = getopt(ac, av, "vwF")) != EOF) switch (opt) {
      case 'v': verbosity++;    break;
      case 'w': wav++;    break;
      case 'F': fast++;   break;
      default:  usage();
      }

      ac -= optind;
      av += optind;

      if (!ac) process(stdin, "*stdin*");
      else for (; *av; av++) {
            if (!(f = fopen(*av, "r"))) perror(*av);
            else {
                  process(f, *av);
                  fclose(f);
            }
      }

      exit(error);
}

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