public virtual void ConvertFromBinary(System.IO.BinaryReader reader)
{
byte[] typeAndChannelBytes = UtilBinary.SplitByte(reader.ReadByte());
this.Type = typeAndChannelBytes[0];
this.Channel = typeAndChannelBytes[1];
//this.Parameter1 = reader.ReadByte();
//this.Parameter2 = reader.ReadByte();
}
public void ConvertFromBinary(System.IO.BinaryReader reader)
{
this.ChunkSize = UtilBinary.ReadUintValue(reader);
ChannelEventType lastChannelEventType = 0;// = ChannelEventType.Unknown;
byte lastChannelEventChannel = 0;
while (true)
{
//Debug.WriteLine(reader.BaseStream.Position);
uint deltaTicks = UtilBinary.ReadVariableLengthValue(reader);
byte trackEventType = UtilBinary.ReadByteValue(reader);
if (trackEventType == (byte)0xFF)
{
//Debug.WriteLine("*****************Meta Event********************");
MetaEventType metaEventType = (MetaEventType)UtilBinary.ReadByteValue(reader);
//Debug.WriteLine(metaEventType);
int lengthOfMetaData = 0;
//meta event
switch (metaEventType)
{
case MetaEventType.SequenceNumber:
UtilBinary.ReadByteValue(reader);
this.SequenceNumber = new SequenceNumberEvent(UtilBinary.ReadByteValue(reader), UtilBinary.ReadByteValue(reader));
break;
case MetaEventType.TextEvent:
lengthOfMetaData = (int)UtilBinary.ReadVariableLengthValue(reader);
this.Comments = new TextEvent(new string(UtilBinary.ReadCharsValue(reader, lengthOfMetaData)));
//Debug.WriteLine(this.Comments.Text);
break;
case MetaEventType.CopyrightNotice:
lengthOfMetaData = (int)UtilBinary.ReadVariableLengthValue(reader);
this.CopyrightNotice = new CopyrightNoticeEvent(new string(UtilBinary.ReadCharsValue(reader, lengthOfMetaData)));
//Debug.WriteLine(this.CopyrightNotice.Text);
break;
case MetaEventType.TrackName:
lengthOfMetaData = (int)UtilBinary.ReadVariableLengthValue(reader);
this.TrackName = new TrackNameEvent(new string(UtilBinary.ReadCharsValue(reader, lengthOfMetaData)));
//Debug.WriteLine(this.TrackName.Text);
break;
case MetaEventType.InstrumentName:
lengthOfMetaData = (int)UtilBinary.ReadVariableLengthValue(reader);
this.InstrumentName = new InstrumentNameEvent(new string(UtilBinary.ReadCharsValue(reader, lengthOfMetaData)));
//Debug.WriteLine(this.InstrumentName.Text);
break;
case MetaEventType.Lyrics:
lengthOfMetaData = (int)UtilBinary.ReadVariableLengthValue(reader);
this.Lyrics = new LyricsEvent(new string(UtilBinary.ReadCharsValue(reader, lengthOfMetaData)));
//Debug.WriteLine(this.Lyrics.Text);
break;
case MetaEventType.Marker:
lengthOfMetaData = (int)UtilBinary.ReadVariableLengthValue(reader);
this.Marker = new MarkerEvent(new string(UtilBinary.ReadCharsValue(reader, lengthOfMetaData)));
//Debug.WriteLine(this.Marker.Text);
break;
case MetaEventType.CuePoint:
lengthOfMetaData = (int)UtilBinary.ReadVariableLengthValue(reader);
this.CuePoint = new CuePointEvent(new string(UtilBinary.ReadCharsValue(reader, lengthOfMetaData)));
//Debug.WriteLine(this.CuePoint.Text);
break;
case MetaEventType.DeviceName:
lengthOfMetaData = (int)UtilBinary.ReadVariableLengthValue(reader);
this.DeviceName = new DeviceNameEvent(new string(UtilBinary.ReadCharsValue(reader, lengthOfMetaData)));
//Debug.WriteLine(this.DeviceName.Text);
break;
case MetaEventType.MidiChannel:
UtilBinary.ReadByteValue(reader);
this.Channel = new MidiChannelEvent(UtilBinary.ReadByteValue(reader));
//Debug.WriteLine(this.Channel.Channel);
break;
case MetaEventType.MidiPort:
UtilBinary.ReadByteValue(reader);
this.Port = new MidiPortEvent(UtilBinary.ReadByteValue(reader));
break;
case MetaEventType.EndOfTrack:
UtilBinary.ReadByteValue(reader);
//this.EndOfTrack = new EndOfTrackEvent();
//this.EndOfTrack.DeltaTicks = deltaTicks;
//Debug.WriteLine(this.EndOfTrack.ToString());
return;
break;
case MetaEventType.Tempo:
UtilBinary.ReadByteValue(reader);
uint microSecondsPerQuarterNote = UtilBinary.Read3ByteInteger(reader);
this.Tempo = new TempoEvent(microSecondsPerQuarterNote, this.TimeSignature.Denominator);
break;
case MetaEventType.SMPTEOffSet:
UtilBinary.ReadByteValue(reader);
this.SMPTEOffSet = new SMPTEOffSetEvent(UtilBinary.ReadByteValue(reader), UtilBinary.ReadByteValue(reader), UtilBinary.ReadByteValue(reader), UtilBinary.ReadByteValue(reader));
break;
case MetaEventType.TimeSignature:
UtilBinary.ReadByteValue(reader);
this.TimeSignature = new TimeSignatureEvent();
this.TimeSignature.Numerator = UtilBinary.ReadByteValue(reader);
this.TimeSignature.Denominator = (byte)Math.Pow(2, UtilBinary.ReadByteValue(reader));
this.TimeSignature.MetronomePulse = UtilBinary.ReadByteValue(reader);
this.TimeSignature.ThirtySecondNotes = UtilBinary.ReadByteValue(reader);
//Debug.WriteLine(this.TimeSignature.ToString());
//this.Tempo = new TempoEvent(this.Tempo.MicroSecondsPerQuarterNote, this.TimeSignature.Denominator);
break;
case MetaEventType.KeySignature:
UtilBinary.ReadByteValue(reader);
this.KeySignature = new KeySignatureEvent(UtilBinary.ReadByteValue(reader), UtilBinary.ReadByteValue(reader));
break;
case MetaEventType.SequencerSpecific:
throw new NotImplementedException();
break;
default:
break;
}
}
else
{
//Debug.WriteLine("---------------------");
//Debug.WriteLine(deltaTime);
//Debug.WriteLine(UtilBinary.ReadByteValue(reader));
//Debug.WriteLine(UtilBinary.ReadByteValue(reader));
//Debug.WriteLine(UtilBinary.ReadByteValue(reader));
ChannelMidiEvent chan = new ChannelMidiEvent();
chan.DeltaTicks = deltaTicks;
chan.File = this.File;
byte[] typeAndChannelBytes = UtilBinary.SplitByte(trackEventType);
byte typeOrData = typeAndChannelBytes[0];
if (Enum.IsDefined(typeof(ChannelEventType), typeOrData))
{
chan.Type = (ChannelEventType)typeOrData;
lastChannelEventType = chan.Type;
chan.Channel = typeAndChannelBytes[1];
lastChannelEventChannel = chan.Channel;
chan.Parameter1 = UtilBinary.ReadByteValue(reader);
chan.Parameter2 = UtilBinary.ReadByteValue(reader);
}
else
{
chan.Type = lastChannelEventType;
chan.Channel = lastChannelEventChannel;
chan.Parameter1 = trackEventType;
chan.Parameter2 = UtilBinary.ReadByteValue(reader);
}
if (chan.Type == ChannelEventType.NoteOn && chan.Parameter2 == 0)
{
chan.Type = ChannelEventType.NoteOff;
}
//Debug.WriteLine(chan.Type.ToString());
//Debug.WriteLine(chan.Channel.ToString());
//this.File.Tracks[(int)chan.Channel].ChannelEvents.Add(chan);
this.ChannelEvents.Add(chan);
//Debug.Write(chan.ToString());
}
}
}
