#include "soundfile.h"

int main(int argc, char** argv) {
   Options options;
   options.define("a|amplitude=d:0.1",    "amplitude of output sound");
   options.define("d|duration=d:1.0",     "duration of output sound (seconds)");
   options.define("c|channels=i:1",       "number of channels in output sound");
   options.define("r|sample-rate=i:44100","set the sample rate of the output");
   options.process(argc, argv);
   if (options.getArgCount() != 1) {
      cout << "Usage: " << options.getCommand() 
           << " [-a amp][-d dur][-c chan][-r srate] file.wav"
           << endl;
      exit(1);
   }

   int sampleCount  = (int)(44100 * options.getDouble("duration") + 0.5);
   int channels     = 1;
   int srate        = options.getInteger("sample-rate");
   double amplitude = options.getDouble("amplitude");
   const char* filename = options.getArg(1);

   SoundHeader header;
   header.setChannels(channels);
   header.setSrate(srate);
   SoundFileWrite soundfile(filename, header);

   int i;
   double sample = 0.0;
   for (i=0; i<sampleCount * channels; i++) {
      sample = drand48() * 2 - 1;
      soundfile.writeSampleDouble(sample);
   }

   return 0;
}