public byte[] ToByteArray()
{
MemoryStream byteArrayOutputStream = new MemoryStream();
DataOutputStream outputStream = new DataOutputStream(byteArrayOutputStream);
outputStream.Write(MidiCommandHeader.ToByteArray());
bool first = true;
foreach (MidiTimestampPair message in Messages)
{
if (first && !MidiCommandHeader.Z)
{
first = false;
}
else
{
int timestamp = message.Timestamp;
if (timestamp > 0x0FFFFFFF)
{
throw new IllegalArgumentException("Timestamp too big: " + timestamp);
}
if (timestamp > 0)
{
int numberOfSeptets =
(int)System.Math.Ceiling(Integer.BitCount(Integer.HighestOneBit(timestamp) * 2 - 1) / 7.0);
while (numberOfSeptets > 0)
{
outputStream.WriteByte(
(numberOfSeptets > 1 ? 0x80 : 0) | ((timestamp >> ((numberOfSeptets - 1) * 7)) & 0x7F));
numberOfSeptets--;
}
}
else
{
outputStream.WriteByte(0);
}
}
outputStream.Write(message.MidiMessage.Data);
}
outputStream.Flush();
return(byteArrayOutputStream.ToArray());
}