public bool Parse(PacketEvent packet)
{
DataBuffer rawInput = new DataBuffer(packet.GetData(), packet.GetLength());
DataBufferReader reader = new DataBufferReader();
int firstByte = reader.Read8(rawInput);
this.version = firstByte >> 6;
this.padding = ((firstByte >> 5 & 1) != 0);
this.hasExtension = ((firstByte >> 4 & 1) != 0);
this.csrcCount = firstByte & 0xF;
int secondByte = reader.Read8(rawInput);
this.marker = (secondByte & 0x80) == 0x80;
this.payloadType = secondByte & 0x7f;
this.SequenceNumber = reader.Read16(rawInput);
this.timestamp = reader.ReadInteger(rawInput);
this.ssrc = reader.ReadInteger(rawInput);
int block3 = reader.Read8(rawInput);
bool bflag = (block3 >> 7 & 1) != 0;
bool jflag = ((block3 >> 6 & 1) & 0x1) != 0;
bool zflag = ((block3 >> 5 & 1) & 0x1) != 0;
bool pflag = ((block3 >> 4 & 1) & 0x1) != 0;
int command_length = block3 & 0x7;
this.payload = rawInput.Slice(rawInput.GetStreamPosition());
this.payload_length = rawInput.GetBytesLength() - rawInput.GetStreamPosition();
return(true);
}
public bool Parse(PacketEvent packet)
{
this.valid = false;
DataBuffer rawInput = new DataBuffer(packet.GetData(), packet.GetLength());
DataBufferReader reader = new DataBufferReader();
int protocol = reader.Read16(rawInput);
if (protocol == 0xffff)
{
command = commandMap.GetValueOrDefault <int, AppleMIDICommand>(reader.Read16(rawInput));
switch (command)
{
case AppleMIDICommand.INVITATION:
case AppleMIDICommand.INVITATION_ACCEPTED:
case AppleMIDICommand.INVITATION_REJECTED:
case AppleMIDICommand.END:
this.valid = true;
protocol_version = reader.ReadInteger(rawInput);
initiator_token = reader.ReadInteger(rawInput);
ssrc = reader.ReadInteger(rawInput);
name = reader.ReadString(rawInput);
// this.version = buffer.readUInt32BE(4);
// this.token = buffer.readUInt32BE(8);
// this.ssrc = buffer.readUInt32BE(12);
// this.name = buffer.toString('utf-8', 16);
break;
case AppleMIDICommand.SYNCHRONIZATION:
this.valid = true;
ssrc = reader.ReadInteger(rawInput);
count = reader.Read8(rawInput);
padding = reader.Read24(rawInput);
timestamp1 = reader.ReadUnsignedInteger64(rawInput);
timestamp2 = reader.ReadUnsignedInteger64(rawInput);
timestamp3 = reader.ReadUnsignedInteger64(rawInput);
// this.ssrc = buffer.readUInt32BE(4, 8);
// this.count = buffer.readUInt8(8);
// this.padding = (buffer.readUInt8(9) << 0xF0) + buffer.readUInt16BE(10);
// this.timestamp1 = buffer.slice(12, 20); //[buffer.readUInt32BE(12), buffer.readUInt32BE(16)];
// this.timestamp2 = buffer.slice(20, 28); //[buffer.readUInt32BE(20), buffer.readUInt32BE(24)];
// this.timestamp3 = buffer.slice(28, 36); //[buffer.readUInt32BE(28), buffer.readUInt32BE(32)];
break;
case AppleMIDICommand.RECEIVER_FEEDBACK:
this.valid = true;
ssrc = reader.ReadInteger(rawInput);
sequenceNumber = reader.Read16(rawInput);
// this.ssrc = buffer.readUInt32BE(4, 8);
// this.sequenceNumber = buffer.readUInt16BE(8);
break;
case AppleMIDICommand.BITRATE_RECEIVE_LIMIT:
this.valid = true;
break;
}
}
return(valid);
}
