public static MidiEvent FromRawMessage(int rawMessage)
{
long num = 0L;
int num2 = rawMessage & 255;
int num3 = rawMessage >> 8 & 255;
int num4 = rawMessage >> 16 & 255;
int num5 = 1;
MidiCommandCode midiCommandCode;
if ((num2 & 240) == 240)
{
midiCommandCode = (MidiCommandCode)num2;
}
else
{
midiCommandCode = (MidiCommandCode)(num2 & 240);
num5 = (num2 & 15) + 1;
}
if (midiCommandCode <= MidiCommandCode.ControlChange)
{
MidiEvent result;
if (midiCommandCode <= MidiCommandCode.NoteOn)
{
if (midiCommandCode != MidiCommandCode.NoteOff && midiCommandCode != MidiCommandCode.NoteOn)
{
goto IL_173;
}
}
else if (midiCommandCode != MidiCommandCode.KeyAfterTouch)
{
if (midiCommandCode != MidiCommandCode.ControlChange)
{
goto IL_173;
}
result = new ControlChangeEvent(num, num5, (MidiController)num3, num4);
return(result);
}
if (num4 > 0 && midiCommandCode == MidiCommandCode.NoteOn)
{
result = new NoteOnEvent(num, num5, num3, num4, 0);
return(result);
}
result = new NoteEvent(num, num5, midiCommandCode, num3, num4);
return(result);
}
else if (midiCommandCode <= MidiCommandCode.ChannelAfterTouch)
{
if (midiCommandCode == MidiCommandCode.PatchChange)
{
MidiEvent result = new PatchChangeEvent(num, num5, num3);
return(result);
}
if (midiCommandCode == MidiCommandCode.ChannelAfterTouch)
{
MidiEvent result = new ChannelAfterTouchEvent(num, num5, num3);
return(result);
}
}
else
{
if (midiCommandCode == MidiCommandCode.PitchWheelChange)
{
MidiEvent result = new PitchWheelChangeEvent(num, num5, num3 + (num4 << 7));
return(result);
}
if (midiCommandCode != MidiCommandCode.Sysex)
{
switch (midiCommandCode)
{
case MidiCommandCode.TimingClock:
case MidiCommandCode.StartSequence:
case MidiCommandCode.ContinueSequence:
case MidiCommandCode.StopSequence:
case MidiCommandCode.AutoSensing:
{
MidiEvent result = new MidiEvent(num, num5, midiCommandCode);
return(result);
}
}
}
}
IL_173:
throw new FormatException(string.Format("Unsupported MIDI Command Code for Raw Message {0}", midiCommandCode));
}
public static MidiEvent ReadNextEvent(BinaryReader br, MidiEvent previous)
{
int num = MidiEvent.ReadVarInt(br);
int num2 = 1;
byte b = br.ReadByte();
MidiCommandCode midiCommandCode;
if ((b & 128) == 0)
{
midiCommandCode = previous.CommandCode;
num2 = previous.Channel;
Stream expr_2D = br.BaseStream;
long position = expr_2D.Position;
expr_2D.Position = position - 1L;
}
else if ((b & 240) == 240)
{
midiCommandCode = (MidiCommandCode)b;
}
else
{
midiCommandCode = (MidiCommandCode)(b & 240);
num2 = (int)((b & 15) + 1);
}
MidiEvent midiEvent;
if (midiCommandCode <= MidiCommandCode.ControlChange)
{
if (midiCommandCode <= MidiCommandCode.NoteOn)
{
if (midiCommandCode != MidiCommandCode.NoteOff)
{
if (midiCommandCode != MidiCommandCode.NoteOn)
{
goto IL_154;
}
midiEvent = new NoteOnEvent(br);
goto IL_16A;
}
}
else if (midiCommandCode != MidiCommandCode.KeyAfterTouch)
{
if (midiCommandCode != MidiCommandCode.ControlChange)
{
goto IL_154;
}
midiEvent = new ControlChangeEvent(br);
goto IL_16A;
}
midiEvent = new NoteEvent(br);
goto IL_16A;
}
if (midiCommandCode <= MidiCommandCode.ChannelAfterTouch)
{
if (midiCommandCode == MidiCommandCode.PatchChange)
{
midiEvent = new PatchChangeEvent(br);
goto IL_16A;
}
if (midiCommandCode == MidiCommandCode.ChannelAfterTouch)
{
midiEvent = new ChannelAfterTouchEvent(br);
goto IL_16A;
}
}
else
{
if (midiCommandCode == MidiCommandCode.PitchWheelChange)
{
midiEvent = new PitchWheelChangeEvent(br);
goto IL_16A;
}
if (midiCommandCode == MidiCommandCode.Sysex)
{
midiEvent = SysexEvent.ReadSysexEvent(br);
goto IL_16A;
}
switch (midiCommandCode)
{
case MidiCommandCode.TimingClock:
case MidiCommandCode.StartSequence:
case MidiCommandCode.ContinueSequence:
case MidiCommandCode.StopSequence:
midiEvent = new MidiEvent();
goto IL_16A;
case MidiCommandCode.MetaEvent:
midiEvent = MetaEvent.ReadMetaEvent(br);
goto IL_16A;
}
}
IL_154:
throw new FormatException(string.Format("Unsupported MIDI Command Code {0:X2}", (byte)midiCommandCode));
IL_16A:
midiEvent.channel = num2;
midiEvent.deltaTime = num;
midiEvent.commandCode = midiCommandCode;
return(midiEvent);
}