//
// Programmer:    Craig Stuart Sapp <craig@ccrma.stanford.edu>
// Creation Date: Mon Jan  4 02:24:31 PST 1999
// Last Modified: Tue Jan  5 19:05:45 PST 1999
// Filename:      ...linuxmidi/cpp/mplay.cpp
// Syntax:        C++ 
// $Smake:        g++ -DLINUX -O3 -Wall -o %b %f Sequencer.cpp && strip %b
//


#include <iostream.h>
#include "Sequencer.h"


int main(void) {
   Sequencer sequencer;          // MIDI I/O interface
   int outputDevice = 0;         // MIDI output device number to send to
   int keynumber = 60;           // MIDI keynumber to play
   int velocity;                 // MIDI attack velocity
   int userInput;                // computer keyboard input number

   cout << "There are " << sequencer.getNumOutputs() << " MIDI outputs:.\n";
   sequencer.displayOutputs();
   cout << "\nEnter a device number to send out on (offset zero): ";
   cin  >> outputDevice;

   while (1) {
      cout << "Enter a key number to play (negative=off, >127=quit): ";
      cin  >> userInput;
   
      if (userInput > 127) {
         exit(0);
      } else if (userInput >= 0 && userInput < sequencer.getNumOutputs()) {
         outputDevice = userInput;
         cout << "Changing to device " << outputDevice << ": " 
              << sequencer.getOutputName(outputDevice) << endl;
         continue;
      } else {
         keynumber = userInput;
      }
   
      if (keynumber < 0) {
         keynumber = -keynumber;
         velocity = 0;
      } else {
         velocity = 127;
      }

      // send a MIDI note-on message on MIDI channel 1:
      sequencer.write(outputDevice, 0x90);      // MIDI chan 1 note-on command
      sequencer.write(outputDevice, keynumber); // MIDI key number
      sequencer.write(outputDevice, velocity);  // MIDI attack velocity
   }
      
   return 0;
}