public void SysexMessage_continuation_writes_correctly_to_file()
{
var message = new SysexMessage(new byte[] { 0x7d, 0x30, 0x20, 0x10, 0x7f }, continuation: true);
message.Write(writer);
stream.ToArray().Should().Equal(new byte[] { 0xf7, 0x05, 0x7d, 0x30, 0x20, 0x10, 0x7f });
}
private static void ParseSysexBody(ArraySegment <byte> body, out SysexMessage message)
{
message = new SysexMessage {
SysexID = 0,
Data = body
};
}
public void SysexMessage_continued_writes_correctly_to_file()
{
var message = new SysexMessage(new byte[] { 0x7d, 0x30, 0x20, 0x10 }); // No EOX (F7)
message.Write(writer);
stream.ToArray().Should().Equal(new byte[] { 0xf0, 0x04, 0x7d, 0x30, 0x20, 0x10 });
}
public override void Close()
{
// Immediately send reset - the scheduler isn't running at this point:
var message = new SysexMessage(GenerateSysex(resetAddress, Array.Empty <byte>()));
TransmitImmediate(message);
}
public static bool TryParseSysex(ArraySegment <byte> input, out SysexMessage message, out ArraySegment <byte> remainingInput)
{
message = default(SysexMessage);
remainingInput = input;
if (input.Array[input.Offset] != (byte)MidiStatusByte.Sysex)
{
return(false);
}
for (var i = 0; i < (input.Count - 1); i++)
{
var b = input.Array[input.Offset + i + 1];
if (b == (byte)MidiStatusByte.EndOfSysex)
{
ParseSysexBody(new ArraySegment <byte>(
input.Array,
input.Offset + 1, i
), out message);
return(true);
}
}
return(false);
}
/// <summary>
/// Create a Sysex event
/// </summary>
/// <param name="data">a String that represents the data for the event.</param>
/// <param name="tick">the position of the event in the sequence</param>
/// <returns>the created Midi Sysex event</returns>
public static MidiEvent CreateSysexEvent(string data, long tick)
{
var bytes = MidiHelper.StringToByteArray(data, ",");
if (bytes.Length == 0)
{
throw new InvalidProgramException(string.Format("Could not parse the passed sysex event {0}", data));
}
var sysexMessage = new SysexMessage();
sysexMessage.SetMessage(bytes, bytes.Length); // use base method to set the whole sysex message in one go
var ev = new MidiEvent(sysexMessage, tick);
return(ev);
}
public override void TransmitSysex(SysexMessage message, PartsCollection parts)
{
// TODO: This is a bit roundabout - driver calling back into parts
// But eventually, all the Roland specific stuff should be handled by the driver, not parts or player...
int index = 0;
byte[] data = message.Data;
byte manufacturerId = data[index++];
if (manufacturerId != Roland.sysexId)
{
logger.Warning("Unknown sysex manufacturer ID");
return;
}
// Length of data minus manufacturer ID and ending F7.
int count = data.Length - 2;
int channel = data[index++];
int setupNumber = channel;
index += 2; // Skip model and command IDs
int address = (data[index++] << 14) | (data[index++] << 7) | (data[index++]);
int offset = address - ActiveSetupBaseAddress;
switch (count)
{
case 8:
if (offset < ActiveSetupSize && channel < 16)
{
parts.SetupParam(channel, offset, data[index++]);
}
return;
case 9:
if (offset < ActiveSetupSize && channel < 16)
{
parts.SetupParam(channel, offset, data[index++]);
parts.SetupParam(channel, offset + 1, data[index++]);
}
return;
case 253:
if (offset == 0 && channel < 16)
{
var setup = data[index..^ 2];
public static IntPtr Build(SysexMessage message)
{
byte[] data;
if (!message.Continuation)
{
int length = message.Data.Length + 1;
data = new byte[length];
data[0] = 0xf0;
Array.Copy(message.Data, 0, data, 1, message.Data.Length);
}
else
{
data = message.Data;
}
return(Build(data));
}
// MidiMessage Convert(MidiMessage message) {
// if (message instanceof javax.sound.midi.ShortMessage) {
// final javax.sound.midi.ShortMessage shortMessage = (javax.sound.midi.ShortMessage)message;
// return new ShortMessage((byte)shortMessage.getCommand(), (byte)shortMessage.getData1(),
// (byte)shortMessage.getData2());
// } else if (message instanceof javax.sound.midi.SysexMessage) {
// final javax.sound.midi.SysexMessage sysexMessage = (javax.sound.midi.SysexMessage)message;
// return new SysexMessage(sysexMessage.getMessage(), sysexMessage.getLength());
// }
// throw new IllegalArgumentException("Message could not be converted");
// }
private MidiMessage HandleSysexMessage(SysexMessage message)
{
return(new SysexMessageAdapter(message));
}
public override void TransmitSysex(SysexMessage message, PartsCollection parts)
{
// GM driver ignores all custom sysex
}
public virtual void TransmitSysex(SysexMessage message, PartsCollection parts)
{
TransmitEvent(message);
}
/// <summary>
/// Get the MIDI Sequence found in this input stream.
/// <see cref="gnu.sound.midi.spi.MidiFileReader#GetSequence(Stream)"/>
/// </summary>
public override Sequence GetSequence(Stream stream)
{
// Good midi spec:
// http://www.somascape.org/midi/tech/mfile.html
// http://www.ccarh.org/courses/253/handout/smf/
var din = new MidiDataInputStream(stream);
var mff = (ExtendedMidiFileFormat)GetMidiFileFormat(din.BaseStream);
var seq = new Sequence(mff.DivisionType, mff.Resolution, 0, mff.MidiFileType);
int ntracks = mff.NumberOfTracks;
while (ntracks-- > 0)
{
Track track = seq.CreateTrack();
int Mtrk = din.ReadInt32();
if (Mtrk != 0x4D54726B) // "MTrk"
{
throw new InvalidMidiDataException("Invalid MIDI track header.");
}
int length = din.ReadInt32();
int runningStatus = -1;
int click = 0;
// Set this to true when we've hit an End of Track meta event.
bool done = false;
// Read all events.
while (!done)
{
MidiMessage mm;
int deltaTime = din.ReadVariableLengthInt();
click += deltaTime;
// in Java bytes are signed (-128, +127)
// where in C# it's not (0, 255).
int statusByte = din.ReadByte();
if (statusByte < (int)MidiHelper.MidiEventType.SystemExclusive)
{
ShortMessage shortMessage;
switch (statusByte & 0xF0)
{
case (int)MidiHelper.MidiEventType.NoteOff:
case (int)MidiHelper.MidiEventType.NoteOn:
case (int)MidiHelper.MidiEventType.AfterTouchPoly:
case (int)MidiHelper.MidiEventType.ControlChange:
case (int)MidiHelper.MidiEventType.PitchBend:
case (int)MidiHelper.MidiEventType.SongPosition:
shortMessage = new ShortMessage();
shortMessage.SetMessage(statusByte, din.ReadByte(), din.ReadByte());
runningStatus = statusByte;
break;
case (int)MidiHelper.MidiEventType.ProgramChange:
case (int)MidiHelper.MidiEventType.AfterTouchChannel:
case (int)MidiHelper.MidiEventType.SongSelect:
case (int)MidiHelper.MidiEventType.BusSelect:
shortMessage = new ShortMessage();
shortMessage.SetMessage(statusByte, din.ReadByte(), 0);
runningStatus = statusByte;
break;
case (int)MidiHelper.MidiEventType.TuneRequest:
case (int)MidiHelper.MidiEventType.EndOfExclusive:
case (int)MidiHelper.MidiEventType.Clock:
case (int)MidiHelper.MidiEventType.Start:
case (int)MidiHelper.MidiEventType.Continue:
case (int)MidiHelper.MidiEventType.Stop:
case (int)MidiHelper.MidiEventType.ActiveSensing:
case (int)MidiHelper.MidiEventType.SystemReset:
shortMessage = new ShortMessage();
shortMessage.SetMessage(statusByte, 0, 0);
runningStatus = statusByte;
break;
default:
if (runningStatus != -1)
{
switch (runningStatus & 0xF0)
{
case (int)MidiHelper.MidiEventType.NoteOff:
case (int)MidiHelper.MidiEventType.NoteOn:
case (int)MidiHelper.MidiEventType.AfterTouchPoly:
case (int)MidiHelper.MidiEventType.ControlChange:
case (int)MidiHelper.MidiEventType.PitchBend:
case (int)MidiHelper.MidiEventType.SongPosition:
shortMessage = new ShortMessage();
shortMessage.SetMessage(runningStatus, statusByte, din.ReadByte());
break;
case (int)MidiHelper.MidiEventType.ProgramChange:
case (int)MidiHelper.MidiEventType.AfterTouchChannel:
case (int)MidiHelper.MidiEventType.SongSelect:
case (int)MidiHelper.MidiEventType.BusSelect:
shortMessage = new ShortMessage();
shortMessage.SetMessage(runningStatus, statusByte, 0);
continue;
case (int)MidiHelper.MidiEventType.TuneRequest:
case (int)MidiHelper.MidiEventType.EndOfExclusive:
case (int)MidiHelper.MidiEventType.Clock:
case (int)MidiHelper.MidiEventType.Start:
case (int)MidiHelper.MidiEventType.Continue:
case (int)MidiHelper.MidiEventType.Stop:
case (int)MidiHelper.MidiEventType.ActiveSensing:
case (int)MidiHelper.MidiEventType.SystemReset:
shortMessage = new ShortMessage();
shortMessage.SetMessage(runningStatus, 0, 0);
continue;
default:
throw new InvalidMidiDataException("Invalid Short MIDI Event: " + statusByte);
}
}
else
{
throw new InvalidMidiDataException("Invalid Short MIDI Event: " + statusByte);
}
break;
}
mm = shortMessage;
}
else if (statusByte == (int)MidiHelper.MidiEventType.SystemExclusive ||
statusByte == (int)MidiHelper.MidiEventType.EndOfExclusive)
{
// System Exclusive event
int sysexLength = din.ReadVariableLengthInt();
var sysexData = din.ReadBytes(sysexLength);
var sysexMessage = new SysexMessage();
sysexMessage.SetMessage(statusByte, sysexData, sysexLength);
mm = sysexMessage;
runningStatus = -1;
}
else if (statusByte == (int)MidiHelper.META)
{
// Meta Message
byte metaType = din.ReadByte();
int metaLength = din.ReadVariableLengthInt();
var metaData = din.ReadBytes(metaLength);
var metaMessage = new MetaMessage();
metaMessage.SetMessage(metaType, metaData, metaLength);
mm = metaMessage;
// End of Track
if (metaType == (byte)MidiHelper.MetaEventType.EndOfTrack)
{
done = true;
}
runningStatus = -1;
}
else
{
throw new InvalidMidiDataException("Invalid status byte: " + statusByte);
}
track.Add(new MidiEvent(mm, click));
}
}
return(seq);
}
public SysexMessageAdapter(SysexMessage message) : base(message.Data, message.Length)
{
}
private void TransmitSysex(int address, byte[] data)
{
var message = new SysexMessage(GenerateSysex(address, data));
TransmitEvent(message);
}
