public static MidiTimeBase Create(MidiRelativeTimeBase timeBase, MidiTempo tempo)
{
Check.IfArgumentNull(timeBase, "timeBase");
Check.IfArgumentNull(tempo, "tempo");
Check.IfArgumentOutOfRange(tempo.MillisecondTempo, 0, int.MaxValue, "tempo.MillisecondTempo");
var midiTimeBase = new MidiTimeBase();
midiTimeBase.MillisecondResolution = tempo.MillisecondTempo / timeBase.PulsesPerQuarterNote;
return(midiTimeBase);
}
/// <summary>
/// Factory method for Midi file compatible values.
/// </summary>
/// <param name="timeDivision">Must not be zero.</param>
/// <param name="tempo">Can be zero.</param>
/// <returns>Never returns null.</returns>
public static MidiTimeBase Create(int timeDivision, int tempo)
{
Check.IfArgumentOutOfRange(timeDivision, short.MinValue, ushort.MaxValue, "timeDivision");
if (timeDivision == 0)
{
throw new ArgumentException("The timeDivision value can not be zero.", "timeDivision");
}
var midiTimeBase = new MidiTimeBase();
if (((short)timeDivision) < 0)
{
var fps = SmpteTime.ToFrameRate(Math.Abs((sbyte)((timeDivision & 0xFF00) >> 8)));
var frames = timeDivision & 0x00FF;
midiTimeBase.SmpteTime = new SmpteTime(0, 0, 0, frames, fps);
}
else
{
midiTimeBase.MillisecondResolution = tempo / timeDivision;
}
return(midiTimeBase);
}