/// <summary>
/// Create a MIDI event object from the given MIDI message and timestamp.
/// <param name="message">the MidiMessage for this event</param>
/// <param name="tick">the timestamp for this event</param>
/// </summary>
public MidiEvent(MidiMessage message, long tick)
{
this.message = message;
this.tick = tick;
}
/// <summary>
/// Creates C# code from a MIDI sequence.
/// </summary>
/// <param name="sequence">The sequence to be generated as C# code and saved.</param>
/// <param name="outputFilePath">path to text file to store generated code to</param>
public static void SaveGenerateMidiCode(this Sequence sequence, string outputFilePath)
{
// generate code
int trackno = 1;
using (var outfile = new StreamWriter(outputFilePath, false)) {
string midiTypeName = MidiHelper.GetMidiFormatString(sequence.MidiFileType);
DateTime now = DateTime.Now;
outfile.WriteLine("/*");
outfile.WriteLine("* Generated by GnuMidi");
outfile.WriteLine("* Author: [email protected]");
outfile.WriteLine("* Date: {0}", now.ToString("yyyy-MM-dd"));
outfile.WriteLine("* Time: {0}", now.ToString("HH:mm"));
outfile.WriteLine("*/");
outfile.WriteLine("using System;");
outfile.WriteLine("using System.IO;");
outfile.WriteLine("using gnu.sound.midi;");
outfile.WriteLine("using gnu.sound.midi.file;");
outfile.WriteLine("using gnu.sound.midi.info;");
outfile.WriteLine();
outfile.WriteLine("namespace MidiGeneration");
outfile.WriteLine("{");
outfile.WriteLine(" public static class GenerateMidi");
outfile.WriteLine(" {");
outfile.WriteLine(" public static void Main(string[] args)");
outfile.WriteLine(" {");
outfile.WriteLine(" // Generate Midi");
outfile.WriteLine(" var sequence = GenerateSequence();");
outfile.WriteLine(" sequence.DumpMidi(\"generated_dump.txt\");");
outfile.WriteLine(" new MidiFileWriter().Write(sequence, sequence.MidiFileType, new FileInfo(\"generated.mid\"));");
outfile.WriteLine(" }");
outfile.WriteLine();
outfile.WriteLine(" public static Sequence GenerateSequence() {");
outfile.WriteLine();
outfile.WriteLine(" // Generate midi file");
outfile.WriteLine(" var sequence = new Sequence({0}, {1}, 0, (int) MidiHelper.MidiFormat.{2});", sequence.DivisionType, sequence.Resolution, midiTypeName);
foreach (var track in sequence.Tracks)
{
outfile.WriteLine();
outfile.WriteLine(" var track{0} = sequence.CreateTrack();", trackno);
foreach (var ev in track.Events)
{
long tick = ev.Tick;
int beat = (int)tick / sequence.Resolution;
int tickRemainder = (int)tick % sequence.Resolution;
MidiMessage msg = ev.Message;
// check if this is a meta message
var mm = msg as MetaMessage;
if (mm != null)
{
string metaCodeString = mm.CreateMetaEventGeneratedCode(tick, sequence.Resolution);
outfile.WriteLine(" track{0}.Add({1});", trackno, metaCodeString);
}
// check if this is a short message
var sm = msg as ShortMessage;
if (sm != null)
{
string shortCodeString = sm.CreateShortEventGeneratedCode(true, tick);
outfile.WriteLine(" track{0}.Add({1}", trackno, shortCodeString);
}
// check if this is a sysex message
var ss = msg as SysexMessage;
if (ss != null)
{
var data = ss.GetMessage();
string sysexString = MidiHelper.ByteArrayToString(data, ",");
outfile.WriteLine(" track{0}.Add(SysexEvent.CreateSysexEvent(\"{1}\", {2}));", trackno, sysexString, tick);
}
}
trackno++;
}
outfile.WriteLine();
outfile.WriteLine(" return sequence;");
outfile.WriteLine(" }");
outfile.WriteLine(" }");
outfile.WriteLine("}");
}
}