/// <summary>
/// Initializes the TempoChangeBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the TempoChangeBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the specified MetaMessage is not a tempo type.
/// </exception>
public void Initialize(MetaMessage e)
{
int t = 0;
var b = e.GetBytes();
// If this platform uses little endian byte order.
if (BitConverter.IsLittleEndian)
{
int d = b.Length - 1;
// Pack tempo.
for (int i = 0; i < e.Length; i++)
{
t |= b[d] << (Shift * i);
d--;
}
}
// Else this platform uses big endian byte order.
else
{
// Pack tempo.
for (int i = 0; i < e.Length; i++)
{
t |= b[i] << (Shift * i);
}
}
tempo = t;
}
public KeySignature(MetaMessage msg)
{
var b = msg.GetBytes();
IsMajor = (((sbyte)b[1]) == 0);
Key = FromBytes(b[0], b[1]);
}
/// <summary>
/// Builds the tempo change MetaMessage.
/// </summary>
public void Build()
{
// If the tempo has been changed since the last time the message
// was built.
if (changed)
{
byte[] data = new byte[MetaMessage.TempoLength];
// If this platform uses little endian byte order.
if (BitConverter.IsLittleEndian)
{
int d = data.Length - 1;
// Unpack tempo.
for (int i = 0; i < data.Length; i++)
{
data[d] = (byte)(tempo >> (Shift * i));
d--;
}
}
// Else this platform uses big endian byte order.
else
{
// Unpack tempo.
for (int i = 0; i < data.Length; i++)
{
data[i] = (byte)(tempo >> (Shift * i));
}
}
changed = false;
result = new MetaMessage(MetaType.Tempo, data);
}
}
public void Process(MetaMessage message)
{
#region Require
if (message == null)
{
throw new ArgumentNullException("message");
}
#endregion
#region Guard
if (message.MetaType != MetaType.Tempo)
{
if (message.MetaType == MetaType.TimeSignature)
{
var ts = new TimeSignatureBuilder(message);
this.ClocksPerMetronomeClick = ts.ClocksPerMetronomeClick;
}
return;
}
#endregion
TempoChangeBuilder builder = new TempoChangeBuilder(message);
// Set the new tempo.
Tempo = builder.Tempo;
}
public IMidiMessage Clone()
{
IMidiMessage ret = null;
if (this.MessageType == MessageType.Channel)
{
ret = new ChannelMessage(MessageData);
}
else if (this.MessageType == MessageType.Meta)
{
ret = new MetaMessage(this.MetaType, byteData);
}
else if (this.MessageType == MessageType.SystemCommon)
{
ret = new SysCommonMessage(MessageData);
}
else if (this.MessageType == MessageType.SystemExclusive)
{
ret = new SysExMessage(byteData);
}
else if (this.MessageType == MessageType.SystemRealtime)
{
ret = SysRealtimeMessage.FromType(realtimeType);
;
}
return(ret);
}
public override bool Equals(object obj)
{
bool equal = true;
MetaMessage message = (MetaMessage)obj;
// If the types do not match.
if (MetaType != message.MetaType)
{
// The messages are not equal
equal = false;
}
// If the message lengths are not equal.
if (equal && Length != message.Length)
{
// The message are not equal.
equal = false;
}
// Check to see if the data is equal.
for (int i = 0; i < Length && equal; i++)
{
// If a data value does not match.
if (this.data[i] != message.data[i])
{
// The messages are not equal.
equal = false;
}
}
return(equal);
}
public void Process(MetaMessage message)
{
#region Require
if (message == null)
{
throw new ArgumentNullException("message");
}
#endregion
#region Guard
if (message.MetaType != MetaType.Tempo)
{
return;
}
#endregion
TempoChangeBuilder builder = new TempoChangeBuilder(message);
// Set the new tempo.
Tempo = builder.Tempo;
}
private void ReadMetaLyric(string[] ar)
{
string sy = string.Empty;
if (ar.Length != 4)
{
if (ar.Length < 4)
{
throw new ArgumentException("Meta Lyric Length");
}
for (int i = 3; i < ar.Length; i++)
{
sy += ar[i];
}
}
else
{
sy = ar[3];
}
// Format: Track, Time, Lyric_t, Text
int ticks = Convert.ToInt32(ar[1]);
byte[] newdata = Encoding.Default.GetBytes(sy);
MetaMessage mtMsg = new MetaMessage(MetaType.Lyric, newdata);
track.Insert(ticks, mtMsg);
manageMetaLyrics(newdata, ticks);
}
private void Write(int deltaTicks, MetaMessage message)
{
if (message.MetaType == MetaType.Tempo)
{
// Delta time.
events.AddRange(BitConverter.GetBytes(deltaTicks + offsetTicks));
// Stream ID.
events.AddRange(streamID);
TempoChangeBuilder builder = new TempoChangeBuilder(message);
byte[] t = BitConverter.GetBytes(builder.Tempo);
t[t.Length - 1] = MEVT_SHORTMSG | MEVT_TEMPO;
// Event code.
events.AddRange(t);
offsetTicks = 0;
}
else
{
offsetTicks += deltaTicks;
}
}
private void Write(MetaMessage message)
{
trackData.Add((byte)message.Status);
trackData.Add((byte)message.MetaType);
WriteVariableLengthValue(message.Length);
trackData.AddRange(message.GetBytes());
}
/// <summary>
/// Builds the time signature MetaMessage.
/// </summary>
public void Build()
{
// If any of the properties have changed since the last time the
// message was built.
if (changed)
{
result = new MetaMessage(MetaType.TimeSignature, data);
changed = false;
}
}
/// <summary>
/// Initializes the TimeSignatureBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the TimeSignatureBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the specified MetaMessage is not a time signature type.
/// </exception>
public void Initialize(MetaMessage message)
{
#region Require
if (message.MetaType != MetaType.TimeSignature)
{
throw new ArgumentException("Wrong meta event type.", "message");
}
#endregion
data = message.GetBytes();
}
/// <summary>
/// Builds the text MetaMessage.
/// </summary>
public void Build()
{
// If the text has changed since the last time this method was
// called.
if (changed)
{
//
// Build text MetaMessage.
//
ASCIIEncoding encoding = new ASCIIEncoding();
byte[] data = encoding.GetBytes(text);
result = new MetaMessage(Type, data);
changed = false;
}
}
private void ReadMetaText(string[] ar)
{
if (ar.Length != 4)
{
throw new ArgumentException("Meta Text Length");
}
// Format: Track, Time, Text_t, Text
int ticks = Convert.ToInt32(ar[1]);
string sy = ar[3];
byte[] newdata = Encoding.Default.GetBytes(sy);
MetaMessage mtMsg = new MetaMessage(MetaType.Text, newdata);
track.Insert(ticks, mtMsg);
manageMetaText(newdata, ticks);
}
/// <summary>
/// Initializes the MetaMessageTextBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the MetaMessageTextBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the MetaMessage is not a text based type.
/// </exception>
public void Initialize(MetaMessage message)
{
#region Require
if (!IsTextType(message.MetaType))
{
throw new ArgumentException("Not text based meta message.",
"message");
}
#endregion
ASCIIEncoding encoding = new ASCIIEncoding();
text = encoding.GetString(message.GetBytes());
this.type = message.MetaType;
}
public static void clearFingeringInMidiFile(Midi.Sequence file)
{
Regex signaturePattern = new Regex("^Fingering");
Regex fingerPattern = new Regex("^finger:");
foreach (Midi.Track track in file)
{
System.Collections.Generic.List <int> toRemove = new System.Collections.Generic.List <int>();
for (int i = track.Count - 1; i >= 0; --i)
{
Midi.MidiEvent e = track.GetMidiEvent(i);
if (e.MidiMessage.MessageType == Midi.MessageType.Meta)
{
Midi.MetaMessage msg = e.MidiMessage as Midi.MetaMessage;
switch (msg.MetaType)
{
case Midi.MetaType.Text:
if (signaturePattern.Match(Encoding.Default.GetString(msg.GetBytes())).Length > 0)
{
toRemove.Add(i);
}
break;
case Midi.MetaType.Marker:
if (fingerPattern.Match(Encoding.Default.GetString(msg.GetBytes())).Length > 0)
{
toRemove.Add(i);
}
break;
}
}
}
foreach (int i in toRemove)
{
track.RemoveAt(i);
}
}
}
/// <summary>
/// Initializes the TempoChangeBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the TempoChangeBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the specified MetaMessage is not a tempo type.
/// </exception>
public void Initialize(MetaMessage e)
{
#region Require
if (e == null)
{
throw new ArgumentNullException("e");
}
else if (e.MetaType != MetaType.Tempo)
{
throw new ArgumentException("Wrong meta message type.", "e");
}
#endregion
int t = 0;
// If this platform uses little endian byte order.
if (BitConverter.IsLittleEndian)
{
int d = e.Length - 1;
// Pack tempo.
for (int i = 0; i < e.Length; i++)
{
t |= e[d] << (Shift * i);
d--;
}
}
// Else this platform uses big endian byte order.
else
{
// Pack tempo.
for (int i = 0; i < e.Length; i++)
{
t |= e[i] << (Shift * i);
}
}
tempo = t;
}
/// <summary>
/// Indicates whether or not the specified MetaType is a text based
/// type.
/// </summary>
/// <param name="type">
/// The MetaType to test.
/// </param>
/// <returns>
/// <b>true</b> if the MetaType is a text based type;
/// otherwise, <b>false</b>.
/// </returns>
private bool IsTextType(MetaType type)
{
bool result;
if (type == MetaType.Copyright ||
type == MetaType.CuePoint ||
type == MetaType.DeviceName ||
type == MetaType.InstrumentName ||
type == MetaType.Lyric ||
type == MetaType.Marker ||
type == MetaType.ProgramName ||
type == MetaType.Text ||
type == MetaType.TrackName)
{
result = true;
}
else
{
result = false;
}
return(result);
}
/// <summary>
/// Initializes a new instance of the MetaMessageTextBuilder class with the
/// specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the MetaMessageTextBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the MetaMessage is not a text based type.
/// </exception>
/// <remarks>
/// The MetaMessage must be one of the following text based types:
/// <list>
/// <item>
/// Copyright
/// </item>
/// <item>
/// Cuepoint
/// </item>
/// <item>
/// DeviceName
/// </item>
/// <item>
/// InstrumentName
/// </item>
/// <item>
/// Lyric
/// </item>
/// <item>
/// Marker
/// </item>
/// <item>
/// ProgramName
/// </item>
/// <item>
/// Text
/// </item>
/// <item>
/// TrackName
/// </item>
/// </list>
/// If the MetaMessage is not a text based type, an exception will be
/// thrown.
/// </remarks>
public MetaTextBuilder(MetaMessage message)
{
Initialize(message);
}
//
// Methods
/// <summary>
/// Initializes the MetaMessageTextBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the MetaMessageTextBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the MetaMessage is not a text based type.
/// </exception>
public void Initialize(MetaMessage message)
{
text = message.Text;
this.type = message.MetaType;
}
/// <summary>
/// Initializes the KeySignatureBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The key signature MetaMessage to use for initializing the
/// KeySignatureBuilder.
/// </param>
public void Initialize(MetaMessage message)
{
var ks = new KeySignature(message);
key = ks.Key;
}
private float TicksPerQuarterSingular(MetaMessage message)
{
var bytes = message.GetBytes();
return 0;
}
private void Write(MetaMessage message)
{
trackData.Add((byte)message.Status);
trackData.Add((byte)message.MetaType);
WriteVariableLengthValue(message.Length);
trackData.AddRange(message.GetBytes());
}
private void GetMIDIInfo(string file, bool fillTime)
{
Midi.Sequence MIDISequence;
int tempo = 500000;
int maxtick = 0;
float msPerTick = (tempo / 48) / 1000.0f;
string title = string.Empty;
_MIDIChannels = new BindingList <MIDIChannel>();
// load the MIDI file
MIDISequence = new Midi.Sequence();
MIDISequence.Load(file);
// we don't handle non-PPQN MIDI files
if (MIDISequence.SequenceType != Sanford.Multimedia.Midi.SequenceType.Ppqn)
{
MessageBox.Show("Unsupported MIDI type...sorry!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
foreach (Midi.Track t in MIDISequence)
{
// get the command enumerator
IEnumerator <Midi.MidiEvent> en = t.Iterator().GetEnumerator();
bool channelAdded = false;
while (en.MoveNext())
{
Midi.MidiEvent e = en.Current;
switch (e.MidiMessage.MessageType)
{
case Sanford.Multimedia.Midi.MessageType.Channel: // track the # of channels
Midi.ChannelMessage channel = (Midi.ChannelMessage)e.MidiMessage;
if (!channelAdded)
{
_MIDIChannels.Add(new MIDIChannel(channel.MidiChannel, title));
channelAdded = true;
}
break;
case Sanford.Multimedia.Midi.MessageType.Meta:
Midi.MetaMessage meta = (Midi.MetaMessage)e.MidiMessage;
switch (meta.MetaType)
{
// cache away the track name for the grid
case Sanford.Multimedia.Midi.MetaType.TrackName:
title = Encoding.ASCII.GetString(meta.GetBytes());
break;
// get the tempo and convert to a time value we can use
case Sanford.Multimedia.Midi.MetaType.Tempo:
tempo = meta.GetBytes()[0] << 16 | meta.GetBytes()[1] << 8 | meta.GetBytes()[2];
msPerTick = (tempo / MIDISequence.Division) / 1000.0f;
break;
}
break;
}
// find the highest time value
if (e.AbsoluteTicks > maxtick)
{
maxtick = e.AbsoluteTicks;
}
}
}
// and use that value to fill in the minutes/seconds
if (fillTime)
{
txtMinutes.Text = (((int)(msPerTick * maxtick) / 1000) / 60).ToString();
txtSeconds.Text = (((int)(msPerTick * maxtick) / 1000) % 60 + 1).ToString();
}
}
/// <summary>
/// Builds the text MetaMessage.
/// </summary>
public void Build()
{
// If the text has changed since the last time this method was
// called.
if(changed)
{
//
// Build text MetaMessage.
//
ASCIIEncoding encoding = new ASCIIEncoding();
byte[] data = encoding.GetBytes(text);
result = new MetaMessage(Type, data);
changed = false;
}
}
/// <summary>
/// Builds the key signature MetaMessage.
/// </summary>
public void Build()
{
byte[] data = new byte[MetaMessage.KeySigLength];
unchecked
{
switch (Key)
{
case Key.CFlatMajor:
data[0] = (byte)-7;
data[1] = 0;
break;
case Key.GFlatMajor:
data[0] = (byte)-6;
data[1] = 0;
break;
case Key.DFlatMajor:
data[0] = (byte)-5;
data[1] = 0;
break;
case Key.AFlatMajor:
data[0] = (byte)-4;
data[1] = 0;
break;
case Key.EFlatMajor:
data[0] = (byte)-3;
data[1] = 0;
break;
case Key.BFlatMajor:
data[0] = (byte)-2;
data[1] = 0;
break;
case Key.FMajor:
data[0] = (byte)-1;
data[1] = 0;
break;
case Key.CMajor:
data[0] = 0;
data[1] = 0;
break;
case Key.GMajor:
data[0] = 1;
data[1] = 0;
break;
case Key.DMajor:
data[0] = 2;
data[1] = 0;
break;
case Key.AMajor:
data[0] = 3;
data[1] = 0;
break;
case Key.EMajor:
data[0] = 4;
data[1] = 0;
break;
case Key.BMajor:
data[0] = 5;
data[1] = 0;
break;
case Key.FSharpMajor:
data[0] = 6;
data[1] = 0;
break;
case Key.CSharpMajor:
data[0] = 7;
data[1] = 0;
break;
case Key.AFlatMinor:
data[0] = (byte)-7;
data[1] = 1;
break;
case Key.EFlatMinor:
data[0] = (byte)-6;
data[1] = 1;
break;
case Key.BFlatMinor:
data[0] = (byte)-5;
data[1] = 1;
break;
case Key.FMinor:
data[0] = (byte)-4;
data[1] = 1;
break;
case Key.CMinor:
data[0] = (byte)-3;
data[1] = 1;
break;
case Key.GMinor:
data[0] = (byte)-2;
data[1] = 1;
break;
case Key.DMinor:
data[0] = (byte)-1;
data[1] = 1;
break;
case Key.AMinor:
data[0] = 1;
data[1] = 0;
break;
case Key.EMinor:
data[0] = 1;
data[1] = 1;
break;
case Key.BMinor:
data[0] = 2;
data[1] = 1;
break;
case Key.FSharpMinor:
data[0] = 3;
data[1] = 1;
break;
case Key.CSharpMinor:
data[0] = 4;
data[1] = 1;
break;
case Key.GSharpMinor:
data[0] = 5;
data[1] = 1;
break;
case Key.DSharpMinor:
data[0] = 6;
data[1] = 1;
break;
case Key.ASharpMinor:
data[0] = 7;
data[1] = 1;
break;
}
}
result = new MetaMessage(MetaType.KeySignature, data);
}
public MetaMessageEventArgs(MetaMessage message)
{
this.message = message;
}
/// <summary>
/// Initializes a new instance of the KeySignatureBuilder class with
/// the specified key signature MetaMessage.
/// </summary>
/// <param name="message">
/// The key signature MetaMessage to use for initializing the
/// KeySignatureBuilder class.
/// </param>
public KeySignatureBuilder(MetaMessage message)
{
Initialize(message);
}
/// <summary>
/// Initializes the KeySignatureBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The key signature MetaMessage to use for initializing the
/// KeySignatureBuilder.
/// </param>
public void Initialize(MetaMessage message)
{
#region Require
if (message == null)
{
throw new ArgumentNullException("message");
}
else if (message.MetaType != MetaType.KeySignature)
{
throw new ArgumentException("Wrong meta event type.", "messaege");
}
#endregion
sbyte b = (sbyte)message[0];
// If the key is major.
if (message[1] == 0)
{
switch (b)
{
case -7:
key = Key.CFlatMajor;
break;
case -6:
key = Key.GFlatMajor;
break;
case -5:
key = Key.DFlatMajor;
break;
case -4:
key = Key.AFlatMajor;
break;
case -3:
key = Key.EFlatMajor;
break;
case -2:
key = Key.BFlatMajor;
break;
case -1:
key = Key.FMajor;
break;
case 0:
key = Key.CMajor;
break;
case 1:
key = Key.GMajor;
break;
case 2:
key = Key.DMajor;
break;
case 3:
key = Key.AMajor;
break;
case 4:
key = Key.EMajor;
break;
case 5:
key = Key.BMajor;
break;
case 6:
key = Key.FSharpMajor;
break;
case 7:
key = Key.CSharpMajor;
break;
}
}
// Else the key is minor.
else
{
switch (b)
{
case -7:
key = Key.AFlatMinor;
break;
case -6:
key = Key.EFlatMinor;
break;
case -5:
key = Key.BFlatMinor;
break;
case -4:
key = Key.FMinor;
break;
case -3:
key = Key.CMinor;
break;
case -2:
key = Key.GMinor;
break;
case -1:
key = Key.DMinor;
break;
case 0:
key = Key.AMinor;
break;
case 1:
key = Key.EMinor;
break;
case 2:
key = Key.BMinor;
break;
case 3:
key = Key.FSharpMinor;
break;
case 4:
key = Key.CSharpMinor;
break;
case 5:
key = Key.GSharpMinor;
break;
case 6:
key = Key.DSharpMinor;
break;
case 7:
key = Key.ASharpMinor;
break;
}
}
}
/// <summary>
/// Initializes a new instance of the MetaMessageTextBuilder class with the
/// specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the MetaMessageTextBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the MetaMessage is not a text based type.
/// </exception>
/// <remarks>
/// The MetaMessage must be one of the following text based types:
/// <list>
/// <item>
/// Copyright
/// </item>
/// <item>
/// Cuepoint
/// </item>
/// <item>
/// DeviceName
/// </item>
/// <item>
/// InstrumentName
/// </item>
/// <item>
/// Lyric
/// </item>
/// <item>
/// Marker
/// </item>
/// <item>
/// ProgramName
/// </item>
/// <item>
/// Text
/// </item>
/// <item>
/// TrackName
/// </item>
/// </list>
/// If the MetaMessage is not a text based type, an exception will be
/// thrown.
/// </remarks>
public MetaTextBuilder(MetaMessage message)
{
Initialize(message);
}
//
// Methods
/// <summary>
/// Initializes the MetaMessageTextBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the MetaMessageTextBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the MetaMessage is not a text based type.
/// </exception>
public void Initialize(MetaMessage message)
{
text = message.Text;
this.type = message.MetaType;
}
/// <summary>
/// Initializes the MetaMessageTextBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the MetaMessageTextBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the MetaMessage is not a text based type.
/// </exception>
public void Initialize(MetaMessage message)
{
#region Require
if(!IsTextType(message.MetaType))
{
throw new ArgumentException("Not text based meta message.",
"message");
}
#endregion
ASCIIEncoding encoding = new ASCIIEncoding();
text = encoding.GetString(message.GetBytes());
this.type = message.MetaType;
}
/// <summary>
/// Indicates whether or not the specified MetaType is a text based
/// type.
/// </summary>
/// <param name="type">
/// The MetaType to test.
/// </param>
/// <returns>
/// <b>true</b> if the MetaType is a text based type;
/// otherwise, <b>false</b>.
/// </returns>
private bool IsTextType(MetaType type)
{
bool result;
if(type == MetaType.Copyright ||
type == MetaType.CuePoint ||
type == MetaType.DeviceName ||
type == MetaType.InstrumentName ||
type == MetaType.Lyric ||
type == MetaType.Marker ||
type == MetaType.ProgramName ||
type == MetaType.Text ||
type == MetaType.TrackName)
{
result = true;
}
else
{
result = false;
}
return result;
}
public static NotationTrack parseMidiTrack(Midi.Track track, int division, ref Regex fingerPattern)
{
int microsecondsPerBeat = Midi.PpqnClock.DefaultTempo;
float time = 0;
TrackStatus trackStatus = new TrackStatus();
FingerChordMap fingerMap = new FingerChordMap();
List <Note> notes = new List <Note>();
Regex fingerMetaPattern = new Regex("fingering-marker-pattern:(.*)");
string name = "";
foreach (Midi.MidiEvent e in track.Iterator())
{
time += e.DeltaTicks * microsecondsPerBeat / (division * 1000);
switch (e.MidiMessage.MessageType)
{
case Midi.MessageType.Meta:
Midi.MetaMessage mm = e.MidiMessage as Midi.MetaMessage;
switch (mm.MetaType)
{
case Midi.MetaType.Tempo:
Midi.TempoChangeBuilder builder = new Midi.TempoChangeBuilder(mm);
microsecondsPerBeat = builder.Tempo;
break;
case Midi.MetaType.Text:
{
string text = Encoding.Default.GetString(mm.GetBytes());
var match = fingerMetaPattern.Match(text);
if (match.Success)
{
fingerPattern = new Regex(match.Groups[1].ToString());
Debug.LogFormat("Finger Pattern found: {0}", fingerPattern.ToString());
}
}
break;
case Midi.MetaType.Marker:
if (fingerPattern != null)
{
string text = Encoding.Default.GetString(mm.GetBytes());
var match = fingerPattern.Match(text);
if (match.Success)
{
//Debug.LogFormat("Finger: {0}", text);
try
{
int pitch = int.Parse(match.Groups[1].ToString());
Finger finger = (Finger)int.Parse(match.Groups[2].ToString());
if (!fingerMap.ContainsKey(e.AbsoluteTicks))
{
fingerMap[e.AbsoluteTicks] = new FingerChord();
}
fingerMap[e.AbsoluteTicks][pitch] = finger;
}
catch (System.Exception except)
{
Debug.LogWarningFormat("fingering marker parse failed: {0}, {1}", text, except.Message);
}
}
//else
// Debug.LogWarningFormat("fail marker: {0}", text);
}
break;
case Midi.MetaType.TrackName:
name = Encoding.Default.GetString(mm.GetBytes());
break;
}
break;
case Midi.MessageType.Channel:
Midi.ChannelMessage cm = e.MidiMessage as Midi.ChannelMessage;
if (!trackStatus.ContainsKey(cm.MidiChannel))
{
trackStatus[cm.MidiChannel] = new ChannelStatus();
}
var commandType = cm.Command;
if (commandType == Midi.ChannelCommand.NoteOn && cm.Data2 == 0)
{
commandType = Midi.ChannelCommand.NoteOff;
}
switch (commandType)
{
case Midi.ChannelCommand.NoteOn:
{
int pitch = cm.Data1;
int velocity = cm.Data2;
if (pitch >= Piano.PitchMin && pitch <= Piano.PitchMax)
{
trackStatus[cm.MidiChannel][pitch] = new PitchStatus {
tick = e.AbsoluteTicks, startTime = time, velocity = velocity
}
}
;
}
break;
case Midi.ChannelCommand.NoteOff:
{
int pitch = cm.Data1;
if (!trackStatus[cm.MidiChannel].ContainsKey(pitch))
{
Debug.LogWarningFormat("Unexpected noteOff: {0}, {1}", e.AbsoluteTicks, pitch);
}
else
{
PitchStatus status = trackStatus[cm.MidiChannel][pitch];
Note note = new Note {
tick = status.tick, start = status.startTime, duration = time - status.startTime, pitch = pitch, velocity = status.velocity
};
if (fingerMap.ContainsKey(note.tick) && fingerMap[note.tick].ContainsKey(note.pitch))
{
note.finger = fingerMap[note.tick][note.pitch];
}
notes.Add(note);
}
}
break;
}
break;
}
}
NotationTrack notation = new NotationTrack();
notation.notes = notes.ToArray();
notation.name = name;
return(notation);
}
/// <summary>
/// Initializes the TempoChangeBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the TempoChangeBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the specified MetaMessage is not a tempo type.
/// </exception>
public void Initialize(MetaMessage e)
{
int t = 0;
var b = e.GetBytes();
// If this platform uses little endian byte order.
if (BitConverter.IsLittleEndian)
{
int d = b.Length - 1;
// Pack tempo.
for (int i = 0; i < e.Length; i++)
{
t |= b[d] << (Shift * i);
d--;
}
}
// Else this platform uses big endian byte order.
else
{
// Pack tempo.
for (int i = 0; i < e.Length; i++)
{
t |= b[i] << (Shift * i);
}
}
tempo = t;
}
/// <summary>
/// Builds the tempo change MetaMessage.
/// </summary>
public void Build()
{
// If the tempo has been changed since the last time the message
// was built.
if(changed)
{
byte[] data = new byte[MetaMessage.TempoLength];
// If this platform uses little endian byte order.
if(BitConverter.IsLittleEndian)
{
int d = data.Length - 1;
// Unpack tempo.
for(int i = 0; i < data.Length; i++)
{
data[d] = (byte)(tempo >> (Shift * i));
d--;
}
}
// Else this platform uses big endian byte order.
else
{
// Unpack tempo.
for(int i = 0; i < data.Length; i++)
{
data[i] = (byte)(tempo >> (Shift * i));
}
}
changed = false;
result = new MetaMessage(MetaType.Tempo, data);
}
}
private void ProcessMIDI()
{
Midi.Sequence _MIDISequence;
// default MIDI tempos/milliseconds per tick
int tempo = 500000;
float msPerTick = (tempo / 48) / 1000.0f;
_MIDISequence = new Midi.Sequence();
_MIDISequence.Load(_sequence.MusicFile);
if (_MIDISequence.SequenceType != Sanford.Multimedia.Midi.SequenceType.Ppqn)
{
MessageBox.Show("Unsupported MIDI type...sorry!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
foreach (Midi.Track t in _MIDISequence)
{
IEnumerator <Midi.MidiEvent> en = t.Iterator().GetEnumerator();
while (en.MoveNext())
{
Midi.MidiEvent e = en.Current;
switch (e.MidiMessage.MessageType)
{
// starta new channel
case Sanford.Multimedia.Midi.MessageType.Channel:
Midi.ChannelMessage channel = (Midi.ChannelMessage)e.MidiMessage;
// if it's a note on command and it's in our mapping list
if (channel.Command == Sanford.Multimedia.Midi.ChannelCommand.NoteOn &&
_midiMap.ContainsKey(channel.MidiChannel) &&
(int)((e.AbsoluteTicks * msPerTick) / 50) < _sequence.Channels[_midiMap[channel.MidiChannel]].Data.Length)
{
// this means the note is on
if (channel.Data2 > 0)
{
_sequence.Channels[_midiMap[channel.MidiChannel]].Data[(int)((e.AbsoluteTicks * msPerTick) / 50)] = true;
}
else
{
// the note is off
_sequence.Channels[_midiMap[channel.MidiChannel]].Data[(int)((e.AbsoluteTicks * msPerTick) / 50)] = false;
if (chkHold.Checked)
{
// backfill the grid
for (int i = (int)((e.AbsoluteTicks * msPerTick) / 50); i > 0 && !_sequence.Channels[_midiMap[channel.MidiChannel]].Data[i]; i--)
{
_sequence.Channels[_midiMap[channel.MidiChannel]].Data[i] = true;
}
}
}
}
// true note off...don't see this used much
if (channel.Command == Sanford.Multimedia.Midi.ChannelCommand.NoteOff &&
_midiMap.ContainsKey(channel.MidiChannel))
{
_sequence.Channels[_midiMap[channel.MidiChannel]].Data[(int)((e.AbsoluteTicks * msPerTick) / 50)] = false;
if (chkHold.Checked)
{
for (int i = (int)((e.AbsoluteTicks * msPerTick) / 50); i > 0 && !_sequence.Channels[_midiMap[channel.MidiChannel]].Data[i]; i--)
{
_sequence.Channels[_midiMap[channel.MidiChannel]].Data[i] = true;
}
}
}
break;
case Sanford.Multimedia.Midi.MessageType.Meta:
Midi.MetaMessage meta = (Midi.MetaMessage)e.MidiMessage;
switch (meta.MetaType)
{
// again, get the tempo value
case Sanford.Multimedia.Midi.MetaType.Tempo:
tempo = meta.GetBytes()[0] << 16 | meta.GetBytes()[1] << 8 | meta.GetBytes()[2];
msPerTick = (tempo / _MIDISequence.Division) / 1000.0f;
break;
}
break;
}
}
}
}
/// <summary>
/// Builds the key signature MetaMessage.
/// </summary>
public void Build()
{
byte[] data = new byte[MetaMessage.KeySigLength];
unchecked
{
switch(Key)
{
case Key.CFlatMajor:
data[0] = (byte)-7;
data[1] = 0;
break;
case Key.GFlatMajor:
data[0] = (byte)-6;
data[1] = 0;
break;
case Key.DFlatMajor:
data[0] = (byte)-5;
data[1] = 0;
break;
case Key.AFlatMajor:
data[0] = (byte)-4;
data[1] = 0;
break;
case Key.EFlatMajor:
data[0] = (byte)-3;
data[1] = 0;
break;
case Key.BFlatMajor:
data[0] = (byte)-2;
data[1] = 0;
break;
case Key.FMajor:
data[0] = (byte)-1;
data[1] = 0;
break;
case Key.CMajor:
data[0] = 0;
data[1] = 0;
break;
case Key.GMajor:
data[0] = 1;
data[1] = 0;
break;
case Key.DMajor:
data[0] = 2;
data[1] = 0;
break;
case Key.AMajor:
data[0] = 3;
data[1] = 0;
break;
case Key.EMajor:
data[0] = 4;
data[1] = 0;
break;
case Key.BMajor:
data[0] = 5;
data[1] = 0;
break;
case Key.FSharpMajor:
data[0] = 6;
data[1] = 0;
break;
case Key.CSharpMajor:
data[0] = 7;
data[1] = 0;
break;
case Key.AFlatMinor:
data[0] = (byte)-7;
data[1] = 1;
break;
case Key.EFlatMinor:
data[0] = (byte)-6;
data[1] = 1;
break;
case Key.BFlatMinor:
data[0] = (byte)-5;
data[1] = 1;
break;
case Key.FMinor:
data[0] = (byte)-4;
data[1] = 1;
break;
case Key.CMinor:
data[0] = (byte)-3;
data[1] = 1;
break;
case Key.GMinor:
data[0] = (byte)-2;
data[1] = 1;
break;
case Key.DMinor:
data[0] = (byte)-1;
data[1] = 1;
break;
case Key.AMinor:
data[0] = 1;
data[1] = 0;
break;
case Key.EMinor:
data[0] = 1;
data[1] = 1;
break;
case Key.BMinor:
data[0] = 2;
data[1] = 1;
break;
case Key.FSharpMinor:
data[0] = 3;
data[1] = 1;
break;
case Key.CSharpMinor:
data[0] = 4;
data[1] = 1;
break;
case Key.GSharpMinor:
data[0] = 5;
data[1] = 1;
break;
case Key.DSharpMinor:
data[0] = 6;
data[1] = 1;
break;
case Key.ASharpMinor:
data[0] = 7;
data[1] = 1;
break;
}
}
result = new MetaMessage(MetaType.KeySignature, data);
}
/// <summary>
/// Initializes the KeySignatureBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The key signature MetaMessage to use for initializing the
/// KeySignatureBuilder.
/// </param>
public void Initialize(MetaMessage message)
{
#region Require
if(message == null)
{
throw new ArgumentNullException("message");
}
else if(message.MetaType != MetaType.KeySignature)
{
throw new ArgumentException("Wrong meta event type.", "messaege");
}
#endregion
sbyte b = (sbyte)message[0];
// If the key is major.
if(message[1] == 0)
{
switch(b)
{
case -7:
key = Key.CFlatMajor;
break;
case -6:
key = Key.GFlatMajor;
break;
case -5:
key = Key.DFlatMajor;
break;
case -4:
key = Key.AFlatMajor;
break;
case -3:
key = Key.EFlatMajor;
break;
case -2:
key = Key.BFlatMajor;
break;
case -1:
key = Key.FMajor;
break;
case 0:
key = Key.CMajor;
break;
case 1:
key = Key.GMajor;
break;
case 2:
key = Key.DMajor;
break;
case 3:
key = Key.AMajor;
break;
case 4:
key = Key.EMajor;
break;
case 5:
key = Key.BMajor;
break;
case 6:
key = Key.FSharpMajor;
break;
case 7:
key = Key.CSharpMajor;
break;
}
}
// Else the key is minor.
else
{
switch(b)
{
case -7:
key = Key.AFlatMinor;
break;
case -6:
key = Key.EFlatMinor;
break;
case -5:
key = Key.BFlatMinor;
break;
case -4:
key = Key.FMinor;
break;
case -3:
key = Key.CMinor;
break;
case -2:
key = Key.GMinor;
break;
case -1:
key = Key.DMinor;
break;
case 0:
key = Key.AMinor;
break;
case 1:
key = Key.EMinor;
break;
case 2:
key = Key.BMinor;
break;
case 3:
key = Key.FSharpMinor;
break;
case 4:
key = Key.CSharpMinor;
break;
case 5:
key = Key.GSharpMinor;
break;
case 6:
key = Key.DSharpMinor;
break;
case 7:
key = Key.ASharpMinor;
break;
}
}
}
public void Process(MetaMessage message)
{
#region Require
if (message == null)
{
throw new ArgumentNullException("message");
}
#endregion
#region Guard
if (message.MetaType != MetaType.Tempo)
{
if (message.MetaType == MetaType.TimeSignature)
{
var ts = new TimeSignatureBuilder(message);
this.ClocksPerMetronomeClick = ts.ClocksPerMetronomeClick;
}
return;
}
#endregion
TempoChangeBuilder builder = new TempoChangeBuilder(message);
// Set the new tempo.
Tempo = builder.Tempo;
}
/// <summary>
/// Initializes the TempoChangeBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the TempoChangeBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the specified MetaMessage is not a tempo type.
/// </exception>
public void Initialize(MetaMessage e)
{
#region Require
if(e == null)
{
throw new ArgumentNullException("e");
}
else if(e.MetaType != MetaType.Tempo)
{
throw new ArgumentException("Wrong meta message type.", "e");
}
#endregion
int t = 0;
// If this platform uses little endian byte order.
if(BitConverter.IsLittleEndian)
{
int d = e.Length - 1;
// Pack tempo.
for(int i = 0; i < e.Length; i++)
{
t |= e[d] << (Shift * i);
d--;
}
}
// Else this platform uses big endian byte order.
else
{
// Pack tempo.
for(int i = 0; i < e.Length; i++)
{
t |= e[i] << (Shift * i);
}
}
tempo = t;
}
/// <summary>
/// Initializes the KeySignatureBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The key signature MetaMessage to use for initializing the
/// KeySignatureBuilder.
/// </param>
public void Initialize(MetaMessage message)
{
var ks = new KeySignature(message);
key = ks.Key;
}
/// <summary>
/// Initialize a new instance of the TempoChangeBuilder class with the
/// specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the TempoChangeBuilder class.
/// </param>
/// <exception cref="ArgumentException">
/// If the specified MetaMessage is not a tempo type.
/// </exception>
/// <remarks>
/// The TempoChangeBuilder uses the specified MetaMessage to initialize
/// its property values.
/// </remarks>
public TempoChangeBuilder(MetaMessage e)
{
Initialize(e);
}
public KeySignature(MetaMessage msg)
{
var b = msg.GetBytes();
IsMajor = (((sbyte)b[1]) == 0);
Key = FromBytes(b[0], b[1]);
}
/// <summary>
/// Initializes a new instance of the KeySignatureBuilder class with
/// the specified key signature MetaMessage.
/// </summary>
/// <param name="message">
/// The key signature MetaMessage to use for initializing the
/// KeySignatureBuilder class.
/// </param>
public KeySignatureBuilder(MetaMessage message)
{
Initialize(message);
}
private void Write(MetaMessage message, int trackid, int ticks)
{
string sy = string.Empty;
//trackData.Add((byte)message.Status);
//trackData.Add((byte)message.MetaType);
//WriteVariableLengthValue(message.Length);
//trackData.AddRange(message.GetBytes());
switch (message.MetaType)
{
case MetaType.Copyright:
break;
case MetaType.CuePoint:
break;
case MetaType.DeviceName:
break;
case MetaType.EndOfTrack:
break;
case MetaType.InstrumentName:
break;
case MetaType.KeySignature:
break;
case MetaType.Lyric:
// Track, Time, Lyric_t, Text
byte[] b = message.GetBytes();
// Replace byte value 13 (cr) by antislash
for (int i = 0; i < b.Length; i++)
{
if (b[i] == 13)
{
b[i] = 92;
}
}
sy = System.Text.Encoding.Default.GetString(b);
// comma is the separator : remove all comma ?
//sy = sy.Replace(',', '-');
stream.WriteLine(string.Format("{0}, {1}, Lyric_t, \"{2}\"", trackid, ticks, sy));
break;
case MetaType.Marker:
break;
case MetaType.ProgramName:
break;
case MetaType.ProprietaryEvent:
break;
case MetaType.SequenceNumber:
break;
case MetaType.SmpteOffset:
break;
case MetaType.Tempo:
break;
case MetaType.Text:
// Track, Time, Text_t, Text
//sy = System.Text.Encoding.Default.GetString(message.GetBytes()).Trim();
sy = System.Text.Encoding.Default.GetString(message.GetBytes());
sy = sy.Replace("\r\n", "\r");
sy = sy.Replace("\r", "\\");
sy = sy.Replace("\n", "\\");
// comma is the separator : remove all comma ?
//sy = sy.Replace(',', '-');
stream.WriteLine(string.Format("{0}, {1}, Text_t, \"{2}\"", trackid, ticks, sy));
break;
case MetaType.TimeSignature:
break;
case MetaType.TrackName:
break;
}
}
private void Write(int deltaTicks, MetaMessage message)
{
if(message.MetaType == MetaType.Tempo)
{
// Delta time.
events.AddRange(BitConverter.GetBytes(deltaTicks + offsetTicks));
// Stream ID.
events.AddRange(streamID);
TempoChangeBuilder builder = new TempoChangeBuilder(message);
byte[] t = BitConverter.GetBytes(builder.Tempo);
t[t.Length - 1] = MEVT_SHORTMSG | MEVT_TEMPO;
// Event code.
events.AddRange(t);
offsetTicks = 0;
}
else
{
offsetTicks += deltaTicks;
}
}
public void Process(MetaMessage message)
{
#region Require
if(message == null)
{
throw new ArgumentNullException("message");
}
#endregion
#region Guard
if(message.MetaType != MetaType.Tempo)
{
return;
}
#endregion
TempoChangeBuilder builder = new TempoChangeBuilder(message);
// Set the new tempo.
Tempo = builder.Tempo;
}
/// <summary>
/// Initialize a new instance of the TempoChangeBuilder class with the
/// specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the TempoChangeBuilder class.
/// </param>
/// <exception cref="ArgumentException">
/// If the specified MetaMessage is not a tempo type.
/// </exception>
/// <remarks>
/// The TempoChangeBuilder uses the specified MetaMessage to initialize
/// its property values.
/// </remarks>
public TempoChangeBuilder(MetaMessage e)
{
Initialize(e);
}
/// <summary>
/// Initializes the TimeSignatureBuilder with the specified MetaMessage.
/// </summary>
/// <param name="message">
/// The MetaMessage to use for initializing the TimeSignatureBuilder.
/// </param>
/// <exception cref="ArgumentException">
/// If the specified MetaMessage is not a time signature type.
/// </exception>
public void Initialize(MetaMessage message)
{
#region Require
if(message.MetaType != MetaType.TimeSignature)
{
throw new ArgumentException("Wrong meta event type.", "message");
}
#endregion
data = message.GetBytes();
}
public MetaMessageEventArgs(MetaMessage message)
{
this.message = message;
}
/// <summary>
/// Builds the time signature MetaMessage.
/// </summary>
public void Build()
{
// If any of the properties have changed since the last time the
// message was built.
if(changed)
{
result = new MetaMessage(MetaType.TimeSignature, data);
changed = false;
}
}
