/// <summary>
/// Initializes a new instance of the SequencePlayer class with the
/// specified MIDI sender, tick generator and sequence.
/// </summary>
/// <param name="midiSender">
/// The MIDI sender to use to send MIDI messages.
/// </param>
/// <param name="tickGen">
/// The tick generator used for timing the playback of MIDI messages.
/// </param>
/// <param name="seq">
/// The sequence to playback.
/// </param>
public SequencePlayer(IMidiSender midiSender, TickGenerator tickGen,
Sequence seq)
{
this.xmidiSender = midiSender;
// For each track in the sequence.
foreach(Track t in seq)
{
// Create track player for the track.
TrackPlayer player = new TrackPlayer(this.xmidiSender, tickGen, t);
trackPlayers.Add(player);
// Register to be notified when the track player has reached
// the end of the track.
player.EndOfTrackReached +=
new EventHandler(EndOfTrackReachedHandler);
}
activeTrackCount = trackPlayers.Count;
}
/// <summary>
/// Reads the division value.
/// </summary>
private void ReadDivision()
{
byte[] d = binReader.ReadBytes(DivisionByteCount);
// Convert array to the same byte order as this platform.
ConvertByteArray(d);
// Create sequence to hold tracks from the Midi file.
seq = new Sequence(BitConverter.ToInt16(d, 0));
}
/// <summary>
/// Initializes a new instance of the MidiFileWriter class with the
/// specified file path name, the MIDI file format, and the sequence
/// to write to a MIDI file.
/// </summary>
/// <param name="path">
/// The file path name to use to write the MIDI file.
/// </param>
/// <param name="format">
/// The MIDI file format.
/// </param>
/// <param name="seq">
/// The sequence to write as a MIDI file.
/// </param>
public MidiFileWriter(string path, short format, Sequence seq)
{
this.seq = seq;
Format = format;
Write(path);
}
/// <summary>
/// Initializes a new instance of the SequenceEnumerator class with
/// the specified sequence to iterate over.
/// </summary>
/// <param name="owner">
/// The sequence to iterate over.
/// </param>
public SequenceEnumerator(Sequence owner)
{
this.owner = owner;
this.version = owner.version;
}
/// <summary>
/// Initializes the sequencer.
/// </summary>
protected virtual void InitializeSequencer()
{
seq = new Sequence();
sequenceVersion = seq.Version;
player = new SequencePlayer(this.xoutDevice, tickGen, seq);
player.EndOfSequenceReached +=
new EventHandler(EndOfSequenceReachedHandler);
clock = new SlaveClock(null, this.xoutDevice, tickGen);
clock.Starting += new EventHandler(StartingHandler);
clock.Continuing += new EventHandler(ContinuingHandler);
clock.Stopping += new EventHandler(StoppingHandler);
clock.PositionChanged += new PositionChangedEventHandler(PositionChangedHandler);
tickGen.TempoChanged += new EventHandler(OnTempoChanged);
}
