/// <summary>
/// Dump the Midi content as a human readable text file
/// </summary>
/// <param name="sequence">The sequence to be dumped.</param>
/// <param name="outputFilePath">text file to store dump to</param>
public static void DumpMidi(this Sequence sequence, string outputFilePath)
{
int trackno = 1;
using (var outfile = new StreamWriter(outputFilePath, false)) {
// write header
string midiTypeName = MidiHelper.GetMidiFormatString(sequence.MidiFileType);
outfile.WriteLine("Midi Type: {0} = {1}", sequence.MidiFileType, midiTypeName);
float divisionType = sequence.DivisionType;
string divisionTypeString = "";
if (divisionType == Sequence.PPQ)
{
divisionTypeString = "PPQ";
}
else if (divisionType == Sequence.SMPTE_24)
{
divisionTypeString = "SMPTE_24";
}
else if (divisionType == Sequence.SMPTE_25)
{
divisionTypeString = "SMPTE_25";
}
else if (divisionType == Sequence.SMPTE_30)
{
divisionTypeString = "SMPTE_30";
}
else if (divisionType == Sequence.SMPTE_30DROP)
{
divisionTypeString = "SMPTE_30DROP";
}
outfile.WriteLine("Division Type: {0} = {1}", divisionTypeString, divisionType);
outfile.WriteLine("Resolution: {0}", sequence.Resolution);
outfile.WriteLine("Tracks: {0}", sequence.Tracks.Count);
outfile.WriteLine("Time: {0} ticks", sequence.GetTickLength());
outfile.WriteLine();
foreach (var track in sequence.Tracks)
{
outfile.WriteLine("Track {0}", 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;
outfile.WriteLine("{0:0000}:{1:000} {2}", beat, tickRemainder, msg);
}
trackno++;
}
}
}
/// <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("}");
}
}