#include <stdio.h>
#include <stdlib.h>
#include "vssClient.h"

#define BUFLEN 100

void usage(int argc, char *argv[]) {
  if (argc != 2) {
    fprintf(stderr, "Usage: %s audfile\n", *argv);
    exit(44);
  }
}

main(int argc, char *argv[]) {
  char audfile[BUFLEN];
  usage(argc,argv);
  float cutoff_frequency=2000;

  strcpy(audfile, argv[1]);

  if (!BeginSoundServer()) {
    printf("Error: couldn't find a running copy of VSS.\n");
    exit(44);
  }

  if (AUDinit(audfile) < 0) {
    printf("Error: couldn't read aud file %s.\n", audfile);
    EndSoundServer();
    exit(44);
  }

  while (cutoff_frequency > 0.0) {
    AUDupdateSimpleFloats("pitch", 1, cutoff_frequency);

    printf("Please enter new cutoff frequency (0.0 to quit): ");fflush(stdout);
    scanf("%f", &cutoff_frequency);
  }

  EndSoundServer();
}