BACK

	//4 - ProcessMIDI Callback

	/*
	    The ProcessMIDI() function lets you perform periodic (generally 
	    timing-related) tasks. This can be used when scripting a sequencer, 
	    arpeggiator, or other tempo-driven MIDI effect. ProcessMIDI is generally not 
	    required for applications that do not make use of musical timing information 
	    from the host. ProcessMIDI is called once per “process block,” which is 
	    determined by the host’s audio settings (sample rate and buffer size).

	    ProcessMIDI is called with no arguments.  

	    This function will often be used in combination with the "JavaScript 
	    TimingInfo object" to make use of timing information from the host 
	    application.  The use of ProcessMIDI and the TimingInfo object is shown in 
	    the example.

	    Note: To enable the GetTimingInfo feature, you need to add 
	          NeedsTimingInfo = true; at the global script level (outside of any 
	          functions).
	*/    

	// Define NeedsTimingInfo as true at the global scope to enable GetHostInfo()
	NeedsTimingInfo = true;

	function ProcessMIDI() {

	    var info = GetTimingInfo(); // get a TimingInfo object from the host

	    //if the transport is running
	    if (info.playing) { 

	        Trace(info.tempo); // print the tempo in the plugin console
	    }
	}