private void ParseSysCommonMessage()
{
if (trackIndex >= trackData.Length)
{
throw new MidiFileException("End of track unexpectedly reached.");
}
// System common cancels running status.
runningStatus = 0;
scBuilder.Type = (SysCommonType)status;
switch ((SysCommonType)status)
{
case SysCommonType.MidiTimeCode:
scBuilder.Data1 = trackData[trackIndex];
trackIndex++;
break;
case SysCommonType.SongPositionPointer:
scBuilder.Data1 = trackData[trackIndex];
trackIndex++;
if (trackIndex >= trackData.Length)
{
throw new MidiFileException("End of track unexpectedly reached.");
}
scBuilder.Data2 = trackData[trackIndex];
trackIndex++;
break;
case SysCommonType.SongSelect:
scBuilder.Data1 = trackData[trackIndex];
trackIndex++;
break;
case SysCommonType.TuneRequest:
// Nothing to do here.
break;
}
scBuilder.Build();
newTrack.Insert(ticks, scBuilder.Result);
}
/// <summary>
/// Builds a song position pointer message.
/// </summary>
public void Build()
{
builder.Build();
}