SmfTrack ReadTrack()
{
var tr = new SmfTrack();
if (
ReadByte() != 'M' ||
ReadByte() != 'T' ||
ReadByte() != 'r' ||
ReadByte() != 'k')
{
throw ParseError("MTrk is expected");
}
int trackSize = ReadInt32();
current_track_size = 0;
int total = 0;
while (current_track_size < trackSize)
{
int delta = ReadVariableLength();
tr.Messages.Add(ReadMessage(delta));
total += delta;
}
if (current_track_size != trackSize)
{
throw ParseError("Size information mismatch");
}
return(tr);
}
public void WriteTrack(SmfTrack track)
{
stream.Write(Encoding.UTF8.GetBytes("MTrk"), 0, 4);
WriteInt(GetTrackDataSize(track));
byte running_status = 0;
foreach (SmfMessage e in track.Messages)
{
Write7BitVariableInteger(e.DeltaTime);
switch (e.Event.EventType)
{
case SmfEvent.Meta:
meta_event_writer(false, e, stream);
break;
case SmfEvent.SysEx1:
case SmfEvent.SysEx2:
stream.WriteByte(e.Event.EventType);
Write7BitVariableInteger(e.Event.Data.Length);
stream.Write(e.Event.Data, 0, e.Event.Data.Length);
break;
default:
if (DisableRunningStatus || e.Event.StatusByte != running_status)
{
stream.WriteByte(e.Event.StatusByte);
}
int len = SmfEvent.FixedDataSize(e.Event.EventType);
stream.WriteByte(e.Event.Msb);
if (len > 1)
{
stream.WriteByte(e.Event.Lsb);
}
if (len > 2)
{
throw new Exception("Unexpected data size: " + len);
}
break;
}
running_status = e.Event.StatusByte;
}
}
SmfTrack GenerateTrack(MmlResolvedTrack source)
{
var rtrk = new SmfTrack ();
int cur = 0;
foreach (var ev in source.Events) {
SmfEvent evt;
if (ev.Arguments.Count == 3)
evt = new SmfEvent (ev.Arguments [0], ev.Arguments [1], ev.Arguments [2], null);
else if (ev.Arguments [0] == 0xFF)
evt = new SmfEvent (ev.Arguments [0], ev.Arguments [1], 0, ev.Arguments.Skip (2).ToArray ());
else
evt = new SmfEvent (ev.Arguments [0], 0, 0, ev.Arguments.Skip (1).ToArray ());
var msg = new SmfMessage (ev.Tick - cur, evt);
rtrk.Messages.Add (msg);
cur = ev.Tick;
}
rtrk.Messages.Add (new SmfMessage (0, new SmfEvent (0xFF, 0x2F, 0, new byte [0])));
return rtrk;
}
int GetTrackDataSize(SmfTrack track)
{
int size = 0;
byte running_status = 0;
foreach (SmfMessage e in track.Messages)
{
// delta time
size += GetVariantLength(e.DeltaTime);
// arguments
switch (e.Event.EventType)
{
case SmfEvent.Meta:
size += meta_event_writer(true, e, null);
break;
case SmfEvent.SysEx1:
case SmfEvent.SysEx2:
size++;
size += GetVariantLength(e.Event.Data.Length);
size += e.Event.Data.Length;
break;
default:
// message type & channel
if (DisableRunningStatus || running_status != e.Event.StatusByte)
{
size++;
}
size += SmfEvent.FixedDataSize(e.Event.EventType);
break;
}
running_status = e.Event.StatusByte;
}
return(size);
}
int GetTrackDataSize(SmfTrack track)
{
int size = 0;
byte running_status = 0;
foreach (SmfMessage e in track.Messages) {
// delta time
size += GetVariantLength (e.DeltaTime);
// arguments
switch (e.Event.EventType) {
case SmfEvent.Meta:
size += meta_event_writer (true, e, null);
break;
case SmfEvent.SysEx1:
case SmfEvent.SysEx2:
size++;
size += GetVariantLength (e.Event.Data.Length);
size += e.Event.Data.Length;
break;
default:
// message type & channel
if (DisableRunningStatus || running_status != e.Event.StatusByte)
size++;
size += SmfEvent.FixedDataSize (e.Event.EventType);
break;
}
running_status = e.Event.StatusByte;
}
return size;
}
public void WriteTrack(SmfTrack track)
{
stream.Write (Encoding.UTF8.GetBytes ("MTrk"), 0, 4);
WriteInt (GetTrackDataSize (track));
byte running_status = 0;
foreach (SmfMessage e in track.Messages) {
Write7BitVariableInteger (e.DeltaTime);
switch (e.Event.EventType) {
case SmfEvent.Meta:
meta_event_writer (false, e, stream);
break;
case SmfEvent.SysEx1:
case SmfEvent.SysEx2:
stream.WriteByte (e.Event.EventType);
Write7BitVariableInteger (e.Event.Data.Length);
stream.Write (e.Event.Data, 0, e.Event.Data.Length);
break;
default:
if (DisableRunningStatus || e.Event.StatusByte != running_status)
stream.WriteByte (e.Event.StatusByte);
int len = SmfEvent.FixedDataSize (e.Event.EventType);
stream.WriteByte (e.Event.Msb);
if (len > 1)
stream.WriteByte (e.Event.Lsb);
if (len > 2)
throw new Exception ("Unexpected data size: " + len);
break;
}
running_status = e.Event.StatusByte;
}
}
public SplitTrack(int trackID)
{
TrackID = trackID;
Track = new SmfTrack ();
}
SmfTrack ReadTrack()
{
var tr = new SmfTrack ();
if (
ReadByte () != 'M'
|| ReadByte () != 'T'
|| ReadByte () != 'r'
|| ReadByte () != 'k')
throw ParseError ("MTrk is expected");
int trackSize = ReadInt32 ();
current_track_size = 0;
int total = 0;
while (current_track_size < trackSize) {
int delta = ReadVariableLength ();
tr.Messages.Add (ReadMessage (delta));
total += delta;
}
if (current_track_size != trackSize)
throw ParseError ("Size information mismatch");
return tr;
}
public void AddTrack(SmfTrack track)
{
this.tracks.Add (track);
}
public static void Main(string [] args)
{
int inId = -1, outId = -1, bufsize = -1;
string filename = null;
TimeSpan interval = TimeSpan.Zero;
byte [] ex = null;
foreach (var arg in args) {
if (arg.StartsWith ("--in:")) {
if (!int.TryParse (arg.Substring (5), out inId))
inId = -1;
}
if (arg.StartsWith ("--out:")) {
if (!int.TryParse (arg.Substring (6), out outId))
outId = -1;
}
if (arg.StartsWith ("--buffer:")) {
if (!int.TryParse (arg.Substring (9), out bufsize))
bufsize = -1;
}
if (arg.StartsWith ("--file:"))
filename = arg.Substring (7);
if (arg.StartsWith ("--interval:")) {
int intervalint;
if (int.TryParse (arg.Substring (11), out intervalint))
interval = TimeSpan.FromMilliseconds (intervalint);
}
if (arg.StartsWith ("--sysex:")) {
string [] l = arg.Substring (8).Split (',');
ex = new byte [l.Length];
byte v;
for (int i = 0; i < ex.Length; i++) {
if (byte.TryParse (l [i], NumberStyles.HexNumber, NumberFormatInfo.InvariantInfo, out v))
ex [i] = v;
else {
ex = null;
break;
}
}
if (ex == null) {
Console.WriteLine ("invalid sysex: " + arg);
return;
}
}
}
var a = new List<MidiDeviceInfo> (MidiDeviceManager.AllDevices);
if (inId < 0) {
foreach (var dev in a)
if (dev.IsInput)
Console.WriteLine ("ID {0}: {1}", dev.ID, dev.Name);
Console.WriteLine ("Type number to select MIDI In Device to use (type anything else to quit)");
if (!int.TryParse (Console.ReadLine (), out inId))
return;
}
if (outId < 0) {
foreach (var dev in a)
if (dev.IsOutput)
Console.WriteLine ("ID {0}: {1}", dev.ID, dev.Name);
Console.WriteLine ("Type number to select MIDI Out Device to use (type anything else to quit)");
if (!int.TryParse (Console.ReadLine (), out outId))
return;
}
var dump = new BulkDump ();
if (interval != TimeSpan.Zero)
dump.Interval = interval;
if (bufsize > 0)
dump.BufferSize = bufsize;
if (ex != null)
dump.SetSysEx (ex);
dump.Start (inId, outId);
Console.WriteLine ("Type [CR] to stop receiving");
Console.ReadLine ();
dump.Stop ();
if (String.IsNullOrEmpty (filename)) {
Console.Write ("Type filename to save if you want: ");
filename = Console.ReadLine ();
}
if (filename.Length > 0) {
var music = new SmfMusic ();
var track = new SmfTrack ();
foreach (var e in dump.Results) {
if (e.SysEx != null)
track.Messages.Add (new SmfMessage (e.Timestamp, new SmfEvent (0xF0, 0, 0, e.SysEx)));
else
track.Messages.Add (new SmfMessage (e.Timestamp, new SmfEvent (e.Message.Value)));
}
music.Tracks.Add (track);
using (var f = File.Create (filename))
new SmfWriter (f).WriteMusic (music);
}
}
public static void Main(string [] args)
{
int inId = -1, outId = -1, bufsize = -1;
string filename = null;
TimeSpan interval = TimeSpan.Zero;
byte [] ex = null;
foreach (var arg in args)
{
if (arg.StartsWith("--in:"))
{
if (!int.TryParse(arg.Substring(5), out inId))
{
inId = -1;
}
}
if (arg.StartsWith("--out:"))
{
if (!int.TryParse(arg.Substring(6), out outId))
{
outId = -1;
}
}
if (arg.StartsWith("--buffer:"))
{
if (!int.TryParse(arg.Substring(9), out bufsize))
{
bufsize = -1;
}
}
if (arg.StartsWith("--file:"))
{
filename = arg.Substring(7);
}
if (arg.StartsWith("--interval:"))
{
int intervalint;
if (int.TryParse(arg.Substring(11), out intervalint))
{
interval = TimeSpan.FromMilliseconds(intervalint);
}
}
if (arg.StartsWith("--sysex:"))
{
string [] l = arg.Substring(8).Split(',');
ex = new byte [l.Length];
byte v;
for (int i = 0; i < ex.Length; i++)
{
if (byte.TryParse(l [i], NumberStyles.HexNumber, NumberFormatInfo.InvariantInfo, out v))
{
ex [i] = v;
}
else
{
ex = null;
break;
}
}
if (ex == null)
{
Console.WriteLine("invalid sysex: " + arg);
return;
}
}
}
var a = new List <MidiDeviceInfo> (MidiDeviceManager.AllDevices);
if (inId < 0)
{
foreach (var dev in a)
{
if (dev.IsInput)
{
Console.WriteLine("ID {0}: {1}", dev.ID, dev.Name);
}
}
Console.WriteLine("Type number to select MIDI In Device to use (type anything else to quit)");
if (!int.TryParse(Console.ReadLine(), out inId))
{
return;
}
}
if (outId < 0)
{
foreach (var dev in a)
{
if (dev.IsOutput)
{
Console.WriteLine("ID {0}: {1}", dev.ID, dev.Name);
}
}
Console.WriteLine("Type number to select MIDI Out Device to use (type anything else to quit)");
if (!int.TryParse(Console.ReadLine(), out outId))
{
return;
}
}
var dump = new BulkDump();
if (interval != TimeSpan.Zero)
{
dump.Interval = interval;
}
if (bufsize > 0)
{
dump.BufferSize = bufsize;
}
if (ex != null)
{
dump.SetSysEx(ex);
}
dump.Start(inId, outId);
Console.WriteLine("Type [CR] to stop receiving");
Console.ReadLine();
dump.Stop();
if (String.IsNullOrEmpty(filename))
{
Console.Write("Type filename to save if you want: ");
filename = Console.ReadLine();
}
if (filename.Length > 0)
{
var music = new SmfMusic();
var track = new SmfTrack();
foreach (var e in dump.Results)
{
if (e.SysEx != null)
{
track.Messages.Add(new SmfMessage(e.Timestamp, new SmfEvent(0xF0, 0, 0, e.SysEx)));
}
else
{
track.Messages.Add(new SmfMessage(e.Timestamp, new SmfEvent(e.Message.Value)));
}
}
music.Tracks.Add(track);
using (var f = File.Create(filename))
new SmfWriter(f).WriteMusic(music);
}
}
public SplitTrack(int trackID)
{
TrackID = trackID;
Track = new SmfTrack();
}
public void AddTrack(SmfTrack track)
{
this.tracks.Add(track);
}